GB2230772A - Cement/sand composition for covering surfaces - Google Patents

Cement/sand composition for covering surfaces Download PDF

Info

Publication number
GB2230772A
GB2230772A GB8909322A GB8909322A GB2230772A GB 2230772 A GB2230772 A GB 2230772A GB 8909322 A GB8909322 A GB 8909322A GB 8909322 A GB8909322 A GB 8909322A GB 2230772 A GB2230772 A GB 2230772A
Authority
GB
United Kingdom
Prior art keywords
compound
constituent
compound according
water
substrate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
GB8909322A
Other versions
GB8909322D0 (en
Inventor
Kenneth Hughes
John Maloney
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
A A H PACKED PRODUCTS Ltd
JAYPACK Ltd
Original Assignee
A A H PACKED PRODUCTS Ltd
JAYPACK Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by A A H PACKED PRODUCTS Ltd, JAYPACK Ltd filed Critical A A H PACKED PRODUCTS Ltd
Priority to GB8909322A priority Critical patent/GB2230772A/en
Publication of GB8909322D0 publication Critical patent/GB8909322D0/en
Publication of GB2230772A publication Critical patent/GB2230772A/en
Application status is Withdrawn legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28CPREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C5/00Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
    • B28C5/02Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions without using driven mechanical means effecting the mixing
    • B28C5/023Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions without using driven mechanical means effecting the mixing using a flexible mat or bag
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING
    • B01F11/00Mixers with shaking, oscillating, or vibrating mechanisms
    • B01F11/0065Mixers with shaking, oscillating, or vibrating mechanisms the material being contained in a flexible bag submitted to periodical deformation
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B40/00Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
    • C04B40/0028Aspects relating to the mixing step of the mortar preparation
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C7/00Coherent pavings made in situ
    • E01C7/08Coherent pavings made in situ made of road-metal and binders
    • E01C7/10Coherent pavings made in situ made of road-metal and binders of road-metal and cement or like binders
    • E01C7/14Concrete paving
    • E01C7/147Repairing concrete pavings, e.g. joining cracked road sections by dowels, applying a new concrete covering
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00034Physico-chemical characteristics of the mixtures
    • C04B2111/00129Extrudable mixtures
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474Uses not provided for elsewhere in C04B2111/00
    • C04B2111/00482Coating or impregnation materials

Abstract

A compound for providing a covering to a substrate, e.g. concrete slabs, contains a mixture of cement and sand forming a major portion of the compound, the minor portion including constituents enabling the compound when mixed with a predetermined quantity of water to be applied as a relatively thin layer to the substrate, the covering when set being durable and weather resistant. A first said constituent may comprise a polymer which polymerises when the compound is mixed with water, e.g. acetate-ethylene copolymer. A second said constituent may control water distribution in the compound. e.g. methyl hydroxyethyl cellulose. A third said constituent may be a plasticizer, e.g. sulphonated melamine-formaldehyde resin. A fourth said constituent may be an air entrainer, e.g. an alkyl benzene sulphonate salt. The compound may also contain reinforcing fibres, e.g. of polypropylene, a constituent, e.g. microsilica, which facilitates extrudability and a waterproofing compound. A flexible bag for containing the compound is described.

Description

A COOU1;D FOR COV=RI?45 A SUBS^R^E The present invention relates to a compound for covering a substrate, such as a ground base and a method of covering such a substrate.

Concrete slabs are widely used as a ground base, for example to form a patio or pathway. After exposure to weather these concrete slabs tend to deteriorate in that colours fade and surface cracks, pit holes etc may appear.

Whilst such deterioration detracts from the aesthetic appearance of the concrete slabs they continue to provide a sound ground base. An aim of the present invention is to provide a compound which can be applied to an existing ground base so as to provide a covering surface layer and thereby give a new aesthetic appearance to the base.

According to one aspect of the present invention there is provided a compound for mixing with water to provide a surface covering to a substrate, the compound containing a mixture of cement and sand forming a major portion of the compound, the remaining minor portion of the compound including constituents capable of enabling the compound when mixed with a predetermined quantity of water to be applied as a relatively thin layer to the substrate, the surface covering when set adhering to the substrate so as to provide a durable, weather resistant covering.

The minor portion of the composition preferably includes a first constituent capable of providing adhesion between the surface covering and the substrate whilst the compound sets. In this way the wet composition may be applied thinly and delamination and hollows which may be created during setting of the compound can be avoided or substantially reduced. Preferably the first constituent is a polymer which polymerises when the compound is mixed with water. After setting the presence of the polymer enhances the covering layers resistance to water penetration and thereby reduces the likelihood of frost damage. Preferably the polymer is an acetate-ethylene copolymer such as CORMIX POLYMER 88/28A, and preferably constitutes between 0.1% to 10% by weight of the compound.

The minor portion of the compound preferably includes a second constituent for controlling water distribution throughout the compound after mixing with water. In this way a homogeneous mixture is maintained whilst the cement sets. In addition, premature drying of the surface covering adjacent to the substrate, due to migration of water to the surface of the surface covering, is resisted and accordingly the cement adjacent to the substrate is able to set slowly and provide good adhesion with the substrate.

Preferably the second constituent is a water soluble ether such as methyl-hydroxyethyl cellulose,(for example TYLOSE P6000 2Z), and preferably constitutes between 0 to 5% by weight of the compound.

The minor portion of the compound preferably includes a third constituent which enables the amount of water needed to be mixed with the compound to be reduced to a desired level, say 5% by weight, and yet provide a workable wet homogeneous composition which is spreadable but nonflowable. Reduction of the water content improves the strength and durability of the set cement. Preferably the third constituent is a plastersizer, preferably a sulphanated melamine formaldehyde resin such as CORMIX No 5 and preferably constitutes between 0% to 10% by weight of the compound. The plastersizer also improves the short term strength and setting time of the cement.

The minor portion of the compound preferably includes a fourth constituent comprising an air entrainer which serves to entrain small air bubbles into the wet composition created after mixing the compound with water. The air bubbles serve to facilitate manipulation of the compound when mixing with water and improves the spreadability or extrudability of the wet composition when applying it to the substrate. In addition, the small air bubbles remain trapped after setting and thereby serve to reduce the thermal conductivity of the surface covering. Accordingly the surface covering tends to act as an insulator and, therefore, reduces the rate of heat transference to/from the substrate under hot/cold weather conditions. This serves to reduce the likelihood of shearing of the bond between the surface covering and substrate caused by relative expansion therebetween.

Preferably the fourth constituent comprises salts of alkylbengene sulphonates (such as CORMIX 8833 and 8834) and preferably constitutes between 0% to 5% by weight of the compound.

The minor portion of the compound may include a colouring agent which is provided in sufficient quantity to provide the desired colouration.

The minor portion may include reinforcing fibres, such as polypropylene, which are fine stretched fibres chopped into short lengths. These fibres assist in preventing break up of the surface covering. Preferably such fibres constitute between 0 to 5% by weight of the compound and are preferably incorporated when the proportion of cement to sand used is high i.e. in the region of 1 part sand: 1 part cement.

The minor portion may include a fifth constituent for facilitating extrudability of the wet composition, such as micro silica. Preferably the fifth constituent constitutes between 0 to 10% by weight of the compound.

The minor portion may include a sixth constituent comprising a waterproofing compound for improving the surface covering's resistance to water penetration.

The cement constituent in the compound is preferably a hydraulic cement such as Portland cement and the sand constituent is preferably a washed sand. The sand is preferably a fine graded sand to provide a smooth appearance to the surface covering although a coarse sand can be used if desired.

The major portion of the compound preferably constitutes at least 95% by weight of the compound, more preferably about 97% by weight. The ratio of the sand and cement preferably ranges between 1 part of sand: 1 part of cement to 5 parts of sand: 1 part of cement.

The cement constituent preferably constitutes about 20% to 50% by weight of the compound, more preferably about 28% by weight.

The sand constituent of the compound preferably constitutes about 50% to 60% by weight of the compound, more preferably about 70% by weight.

A specific example of a compound according to the present invention which has been found to be acceptable for thinly covering concrete slabs is listed below, the percentage figures quoted being percentage by weight of the compound.

Fine sand 69.008 Cement 28.00% Acetate-ethylene copolymer 01.00* Methyl-hydroxethyl cellulose 00.25% Plastersizer (sulphanated melamine formaldehyde resin) 01.00% Air Entrainer 00.25% Colouring agent 00.508 The above compound is mixed with a predetermined quantity of water to provide a wet composition which is spreadable and non-flowable. The amount of water is chosen to give a water:cement ratio of between 0.3:1 to 0.6:1 by weight. Accordingly, the wet composition can be applied to a prepared substrate by spreading it thinly over the surface of the substrate and since the wet composition is nonflowable it remains in position whilst the setting procedure takes place.This enables controlled application of the wet composition to be achieved and also enables decorative finishes to be sculptured in the surface covering. The compound of this example is particularly suitable for mixing in a container, such as for example of the type disclosed in UK patent 2096570B, from which it is extruded for application to the substrate.

An example of a method of covering a substrate using a compound according to the present invention is described below, with reference to the accompanying drawings, in which:- Figure 1 is a schematic part plan view of a plurality of side by side concrete slabs Figure 2 is a schematic sectional side view taken along line II-II in Figure 1 Figure 3 is a schematic perspective view partly broken away, of a preferred package for containing the compound of the present invention.

Referring initially to Figure 3, the package 10 comprises a bag made from flexible waterproof film material and includes a compartment 20 and a pocket 25 within the bag. The bag illustrated in Figure 3 is of the typed disclosed in UK patent 2096570B and reference should be made thereto for a more detailed description of the bag.

The compartment 20 is filled with a predetermined quantity of the compound 30 according to the present invention which is intimately mixed in a dry condition and is supplied in that condition to the user. When the compound is to be used, the pocket 25 is filled with water through mouth 26, the size of the pocket 25 being manufactured to provide the desired volume of water for mixing with the compound. After filling of the pocket 25 with water 27, the pocket is ruptured to enable water to flow into the compartment and enable mixing with the compound to take place.

The substrate to be covered, which in the present example is a series of concrete slabs, is prepared for reception of the wet composition created by mixing the compound with water. Such preparation preferably includes a basic cleaning operation such as for example removal of all loose surface debris, cleaning out of material between the slabs, treatment of the slabs with solutions for removal of fungus, algae, etc. Once the cleaning operation is completed, the surface of the slabs is preferably dampened with water prior to application of the wet composition.

Application of the wet composition is conveniently achieved by extruding a desired amount 40 of the composition from the bag onto a central portion of a slab 50 and then using an implement such as a trowel 41 to spread the composition thinly over the entire surface of the slab to define a thin surface covering layer 42. Since the wet composition is of a spreadable, non-flowable, consistency (ie a buttery consistency) it is possible to spread the composition up to the edges of each slab and maintain a sharp, clean, edge definition by slightly chamfering the covering layer as indicated at 48 in Figure 2. In addition it is possible to sculpture desired surface patterns in the covering layer.

Whilst the invention has been described above in relation to applying a surface covering to a ground base such as concrete slabs, it will be appreciated that other types of concrete ground bases may be covered also.

Furthermore the substrate needn't necessarily be a ground base but could be any base, such as a wall, which require covering with a durable, thin walled surface covering.

As described above, the compound 30 is supplied ready mixed in a dry condition. It is to be appreciated that the various constituents could be packages individually in predetermined quantities for mixing by the end user.

Claims (23)

1. A compound for mixing with water to provide a surface covering to a substrate, the compound containing a mixture of cement and sand forming a major portion of the compound, the remaining minor portion of the compound including constituents capable of enabling the compound when mixed with a predetermined quantity of water to be applied as a relatively thin layer to the substrate, the surface covering when set adhering to the substrate so as to provide a durable weather resistant covering.
2. A compound according to claim 1 wherein the minor portion contains a first constituent which provides adhesion between the surface covering and the substrate whilst the compound sets.
3. A compound according to claim 2 wherein the first constituent is a polymer which polymerises when the compound is mixed with water.
4. A compound according to claim 3 wherein the polymer is an acetate-ethylene copolymer and constitutes between 0.1% to 10% by weight of the compound.
5. A compound according to claim 4 wherein the polymer constitutes about 1% by weight of the compound.
6. A compound according to any preceding claim wherein the minor portion contains a second constituent for controlling water distribution throughout the compound after mixing with water.
7. A compound according to claim 6 wherein the second constituent is a water soluble cellulose ether and constitutes less than 5% by weight of the compound.
8. A compound according to claim 7 wherein the water soluble cellulose ether constitutes about 0.1t by weight of the compound.
9. A compound according to any preceding claim wherein the minor portion includes a third constituent for reducing the amount of water needed to be mixed with the compound.
10. A compound according to claim 9 wherein the third constituent comprises a plastersizer, preferably a super plastersizer.
11. A compound according to any preceding claim wherein the minor portion includes a fourth constituent which serves to entrain small air bubbles into the wet composition.
12. A compound according to claim 11 wherein the fourth constituent comprises an air entrainer and constitutes less than 5% by weight of the compound.
13. A compound according to any preceding claim wherein the minor portion includes a fifth constituent for facilitating extrudability of the wet composition.
14. A compound according to claim 13 wherein the fifth constituent comprises micro silica and constitutes less than 10% by weight of the compound.
15. A compound according to any preceding claim wherein the minor portion includes a water proofing compound which constitutes less than 5% by weight of the compound.
16. A compound according to any preceding claim wherein the minor portion includes reinforcing fibres.
17. A compound according to any preceding claim wherein the cement constitutes 20% to 50% by weight of the compound.
18. A compound according to claim 17 wherein the sand constitutes 50% to 80% by weight of the compound.
19. A compound according to claim 18 wherein the ratio of sand and cement ranges between 1 part of sand:1 part of cement to 5 parts of sand:l part of cement.
20. A compound substantially as described herein with reference to and as exemplified in the examples.
21. A method of covering the surface of a substrate, the method including mixing a compound according to any preceding claim with a predetermined quantity of water to form a wet composition, and spreading the wet composition thinly over the surface of the substrate to define a thin surface covering.
22. A method according to claim 21 wherein the compound is packaged in a flexible bag and the compound is mixed with water whilst contained within the bag, the wet composition is then applied to the substrate by extrusion from the bag.
23. A method of covering the surface of a substrate substantially as described herein with reference to the examples and the drawings.
GB8909322A 1989-04-24 1989-04-24 Cement/sand composition for covering surfaces Withdrawn GB2230772A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8909322A GB2230772A (en) 1989-04-24 1989-04-24 Cement/sand composition for covering surfaces

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8909322A GB2230772A (en) 1989-04-24 1989-04-24 Cement/sand composition for covering surfaces

Publications (2)

Publication Number Publication Date
GB8909322D0 GB8909322D0 (en) 1989-06-07
GB2230772A true GB2230772A (en) 1990-10-31

Family

ID=10655634

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8909322A Withdrawn GB2230772A (en) 1989-04-24 1989-04-24 Cement/sand composition for covering surfaces

Country Status (1)

Country Link
GB (1) GB2230772A (en)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2240974A (en) * 1990-02-12 1991-08-21 Monk Construction Ltd Method, apparatus and composition for making and using ferrocement
EP0522209A1 (en) * 1991-06-11 1993-01-13 Max Frank GmbH & Co. KG Cement-bound building material
FR2709122A1 (en) * 1993-08-20 1995-02-24 Sogea Injection grout for the stabilisation of structures, especially of linings of tunnels being constructed and method of use
GB2354534A (en) * 1999-06-19 2001-03-28 John Joseph Carroll Precast flooring supported on horizontally spaced joists
WO2005105699A1 (en) * 2004-04-27 2005-11-10 Hercules Incorporated Cement-based plasters using water rentention agents prepared from raw cotton linters
US7658794B2 (en) 2000-03-14 2010-02-09 James Hardie Technology Limited Fiber cement building materials with low density additives
US7704316B2 (en) 2001-03-02 2010-04-27 James Hardie Technology Limited Coatings for building products and methods of making same
US7993570B2 (en) 2002-10-07 2011-08-09 James Hardie Technology Limited Durable medium-density fibre cement composite
US7998571B2 (en) 2004-07-09 2011-08-16 James Hardie Technology Limited Composite cement article incorporating a powder coating and methods of making same
US8209927B2 (en) 2007-12-20 2012-07-03 James Hardie Technology Limited Structural fiber cement building materials
US8993462B2 (en) 2006-04-12 2015-03-31 James Hardie Technology Limited Surface sealed reinforced building element

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1114324A (en) * 1965-02-15 1968-05-22 Master Mechanics Company Hydraulic cement composition and method of making the same
US4108813A (en) * 1973-12-17 1978-08-22 Albert Lee Roberts Cementitious flooring composition containing mixture of intermeshing particles of substantially spherical quartz sand
US4218259A (en) * 1978-05-15 1980-08-19 Garcia Frank P Porous surface sealing compound
GB2096570A (en) * 1981-03-18 1982-10-20 Maloney John Bag and bag making apparatus
US4394175A (en) * 1981-05-07 1983-07-19 Cheriton Leslie W Self-levelling cementitious mixes
GB2153811A (en) * 1984-02-11 1985-08-29 Perry D Mullenax Acryclic polymer portland cement coating composition
US4714507A (en) * 1982-03-01 1987-12-22 Ogushi Yoshuki Surface coating agent and method for using the same in civil and construction engineering
US4741777A (en) * 1986-07-15 1988-05-03 Rockwall-Peerless Corp., Stucco And Mortar Products Dry mix for high workability stuccos and mortars

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1114324A (en) * 1965-02-15 1968-05-22 Master Mechanics Company Hydraulic cement composition and method of making the same
US4108813A (en) * 1973-12-17 1978-08-22 Albert Lee Roberts Cementitious flooring composition containing mixture of intermeshing particles of substantially spherical quartz sand
US4218259A (en) * 1978-05-15 1980-08-19 Garcia Frank P Porous surface sealing compound
GB2096570A (en) * 1981-03-18 1982-10-20 Maloney John Bag and bag making apparatus
US4394175A (en) * 1981-05-07 1983-07-19 Cheriton Leslie W Self-levelling cementitious mixes
US4714507A (en) * 1982-03-01 1987-12-22 Ogushi Yoshuki Surface coating agent and method for using the same in civil and construction engineering
GB2153811A (en) * 1984-02-11 1985-08-29 Perry D Mullenax Acryclic polymer portland cement coating composition
US4741777A (en) * 1986-07-15 1988-05-03 Rockwall-Peerless Corp., Stucco And Mortar Products Dry mix for high workability stuccos and mortars

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2240974B (en) * 1990-02-12 1994-10-19 Monk Construction Ltd Water course lining unit,its preparation and use in in-situ lining
GB2240974A (en) * 1990-02-12 1991-08-21 Monk Construction Ltd Method, apparatus and composition for making and using ferrocement
EP0522209A1 (en) * 1991-06-11 1993-01-13 Max Frank GmbH & Co. KG Cement-bound building material
FR2709122A1 (en) * 1993-08-20 1995-02-24 Sogea Injection grout for the stabilisation of structures, especially of linings of tunnels being constructed and method of use
GB2354534A (en) * 1999-06-19 2001-03-28 John Joseph Carroll Precast flooring supported on horizontally spaced joists
GB2354534B (en) * 1999-06-19 2003-07-16 John Joseph Carroll Flooring
US8182606B2 (en) 2000-03-14 2012-05-22 James Hardie Technology Limited Fiber cement building materials with low density additives
US8603239B2 (en) 2000-03-14 2013-12-10 James Hardie Technology Limited Fiber cement building materials with low density additives
US7658794B2 (en) 2000-03-14 2010-02-09 James Hardie Technology Limited Fiber cement building materials with low density additives
US7727329B2 (en) 2000-03-14 2010-06-01 James Hardie Technology Limited Fiber cement building materials with low density additives
US7704316B2 (en) 2001-03-02 2010-04-27 James Hardie Technology Limited Coatings for building products and methods of making same
US7993570B2 (en) 2002-10-07 2011-08-09 James Hardie Technology Limited Durable medium-density fibre cement composite
WO2005105699A1 (en) * 2004-04-27 2005-11-10 Hercules Incorporated Cement-based plasters using water rentention agents prepared from raw cotton linters
US7998571B2 (en) 2004-07-09 2011-08-16 James Hardie Technology Limited Composite cement article incorporating a powder coating and methods of making same
US8993462B2 (en) 2006-04-12 2015-03-31 James Hardie Technology Limited Surface sealed reinforced building element
US8209927B2 (en) 2007-12-20 2012-07-03 James Hardie Technology Limited Structural fiber cement building materials

Also Published As

Publication number Publication date
GB8909322D0 (en) 1989-06-07

Similar Documents

Publication Publication Date Title
US7594963B2 (en) Joint compound composition for building elements and method of producing a structure
CA2388499C (en) Cement composition
US3097080A (en) Artificial stone facing plaque
US2629135A (en) Method of concrete construction
US20020187298A1 (en) Method of manufacture of glass reinforced gypsum board and apparatus therefor
CA1293606C (en) Fibrous mat-faced gypsum board
US4810569A (en) Fibrous mat-faced gypsum board
US3284980A (en) Hydraulic cement panel with low density core and fiber reinforced high density surface layers
US6387504B1 (en) Polymer surfaced composites for floor tiles and other building structures
DE69809447T2 (en) A cementitious construction panels with reinforced edges
KR860001881B1 (en) Light weight joint compound
RU2363822C2 (en) Improved gypsum board lined with mats
US2943953A (en) Flooring composition and method of making the same
US1596482A (en) Method of producing cement tiles, slabs, and like products
US20020090871A1 (en) Cementitious panel with basalt fiber reinforced major surface(s)
US5502941A (en) Method and apparatus for producing an ornamental concrete surface
CN1051042C (en) Method for producing patterned shaped article
US6033146A (en) Glass chip lithocrete and method of use of same
US7932195B2 (en) Use of pre-coated mat for preparing gypsum board
US3676198A (en) Method for waterproofing structures
US5447752A (en) Method for making a decorative cementitous pattern on a surface
US4748788A (en) Surface seeded exposed aggregate concrete and method of producing same
US2491487A (en) Process of making water-impervious concrete
US5634307A (en) Imitation stone surface apparatus and method
US4523755A (en) Surface for sports areas, particularly tennis courts, and its manufacture

Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)