DE1236994B - Method for insulating cement roof tiles against the appearance of bleeding - Google Patents

Method for insulating cement roof tiles against the appearance of bleeding

Info

Publication number
DE1236994B
DE1236994B DE1963C0030936 DEC0030936A DE1236994B DE 1236994 B DE1236994 B DE 1236994B DE 1963C0030936 DE1963C0030936 DE 1963C0030936 DE C0030936 A DEC0030936 A DE C0030936A DE 1236994 B DE1236994 B DE 1236994B
Authority
DE
Germany
Prior art keywords
roof tiles
cement roof
appearance
bleeding
insulating cement
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.)
Pending
Application number
DE1963C0030936
Other languages
German (de)
Inventor
Dr-Ing Horst Eick
Dr Richard Hilpert
Heinrich Schwanen
Heinz Tetzner
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.)
Huels AG
Eternit AG
Original Assignee
Eternit AG
Chemische Werke Huels AG
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 Eternit AG, Chemische Werke Huels AG filed Critical Eternit AG
Priority to DE1963C0030936 priority Critical patent/DE1236994B/en
Priority to AT99164A priority patent/AT246633B/en
Priority to NL6402766A priority patent/NL138830B/en
Priority to CH344864A priority patent/CH464772A/en
Priority to FR988108A priority patent/FR1407617A/en
Priority to SE1119064A priority patent/SE311494B/xx
Priority to GB3813664A priority patent/GB1073271A/en
Publication of DE1236994B publication Critical patent/DE1236994B/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/009—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
    • C04B41/46—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with organic materials
    • C04B41/48—Macromolecular compounds
    • C04B41/4857—Other macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
    • C04B41/46—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with organic materials
    • C04B41/48—Macromolecular compounds
    • C04B41/4857—Other macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C04B41/4861—Polyalkenes
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
    • C04B41/46—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with organic materials
    • C04B41/48—Macromolecular compounds
    • C04B41/4857—Other macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C04B41/4876—Polystyrene
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/60—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only artificial stone
    • C04B41/61—Coating or impregnation
    • C04B41/62—Coating or impregnation with organic materials
    • C04B41/63—Macromolecular compounds
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D125/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Coating compositions based on derivatives of such polymers
    • C09D125/02—Homopolymers or copolymers of hydrocarbons
    • C09D125/04—Homopolymers or copolymers of styrene
    • C09D125/08—Copolymers of styrene
    • C09D125/10—Copolymers of styrene with conjugated dienes
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
    • C04B2111/00586—Roofing materials
    • C04B2111/00594—Concrete roof tiles
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/20—Resistance against chemical, physical or biological attack
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/20—Resistance against chemical, physical or biological attack
    • C04B2111/21—Efflorescence resistance

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Structural Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Paints Or Removers (AREA)

Description

Verfahren zum Isolieren von Zementdachziegeln gegen Ausblüherscheinungen Zementdachziegel neigen häufig zu unerwünschten Ausblüherscheinungen. Es ist möglich, diese Neigung dadurch hintanzuhalten, daß man die Ziegel mit einem Lack überzieht; solche Lacke, die beispielsweise auf Grundlage von Vinylchlorid-Mischpolymerisaten aufgebaut sein können, haben aber allgemein den Nachteil, große Anteile organischer Lösungsmittel zu enthalten. Dadurch ist mit der Verwendung dieser Lacke nicht nur ein unerwünschter Aufwand verbunden, sondern die Lackierung, die sich zweckmäßig unmittelbar an die Herstellung der Zementdachziegel anschließen sollte, ist auch im Hinblick auf die Geruchsbelästigung und Gesundheitsgefährdung sowie die Brandgefahr durch die Lösungsmitteldämpfe nicht unbedenklich.Method for insulating cement roof tiles against the appearance of efflorescence Cement roof tiles are often prone to undesirable efflorescence. It is possible, to prevent this tendency by coating the bricks with a varnish; those paints, for example based on vinyl chloride copolymers can be built up, but generally have the disadvantage of large proportions of organic To contain solvents. This is not only with the use of these varnishes an undesirable expense associated with it, but the paintwork, which is appropriate Should immediately follow the production of the cement roof tile is also with regard to odor nuisance and health hazard as well as the risk of fire not harmless due to the solvent vapors.

Es ist also in hohem Maß erwünscht, zur Isolierung von Zementdachziegeln Dispersionsfarben einzusetzen, wie diese sich bereits für den Außen- und Innenanstrich von Mauerwerk, verputzten Flächen, zementhaltigen Bauplatten usw. bewährt haben. Indessen lhat sich gezeigt, daß sich die Ausblüherscheinungen mittels der üblichen Dispersionsfarben nicht ohne weiteres verhindern lassen; vielmehr bedarf es der Einhaltung bestimmter Bedingungen, um die sehr hohe Porendichtigkeit des Anstrichfilmes zu erzielen, um die besonders gefährdeten und den Witterungsbedingungen extrem ausgesetzten Ziegel zu schützen.So it is highly desirable for the insulation of cement roof tiles Use emulsion paints, as these are already used for exterior and interior painting of masonry, plastered surfaces, cement-based building boards, etc. In the meantime it has been shown that the symptoms of efflorescence are resolved by means of the usual Do not allow emulsion paints to be prevented without further ado; rather it needs the Compliance with certain conditions to ensure the very high pore density of the paint film to achieve the particularly endangered and the weather conditions extremely exposed Protect brick.

Es wurde gefunden, daß man Zementdachziegel sicher gejen Ausblü herscheinungen isolieren kann, wenn man auf die Zementdachziegel eine pigmentierte Latexfarbe aus einem Styrol-Butadien-Mischpolymerisat, worin das Verhältnis Styrol zu Butadien zwischen 70: 30 und 50: 50 liegt, aufträgt.It has been found that cement roof tiles are sure to herschehen bloom Can isolate if you put a pigmented latex paint on the cement roof tiles a styrene-butadiene copolymer, in which the ratio of styrene to butadiene between 70:30 and 50:50.

Zementdachziegel, welche sich nach dem neuen Verfahren isolieren, lassen, sind beispielsweise solche. die aus einer Mischung von Zement, Sand und Wasser, gegebenenfalls auch Asbest, geformt und zwecks schneller Verfestigung in Druckgefäßen bei erhöhter Temperatur gedämpft worden sind; meist sind derartige Ziegel mit einer naß-in-naß aufgebrachten Zement-Pigment-Mischung beschichtet und/oder zusätzlich besandet.Cement roof tiles, which are insulated according to the new process, let, for example, are such. made from a mixture of cement, sand and Water, possibly also asbestos, shaped and for the purpose of faster solidification in Pressure vessels have been steamed at elevated temperature; mostly they are Bricks coated with a wet-on-wet applied cement-pigment mixture and / or additionally sanded.

Geeignete Latexfarben sind solche, die auf Grundlage eines Styrol-Butadien-Mischpolymerisates aufgebaut sind, wobei das Verhältnis Styrol zu Butadien zwischen 70:30 und 50:50, vorzugsweise etwa 60:40, beträgt.Suitable latex paints are those based on a styrene-butadiene copolymer are built up, the ratio of styrene to butadiene between 70:30 and 50:50, is preferably about 60:40.

Brauchbare Latexfarben enthalten neben den in Wasser dispergierten Mischpolymerisatteilchen und den bei derartigen Latices üblichen geringfügigen Zusätzen, wie z. B. Natrium-, Kalium- oder Ammoniumsalze von sulfonierten Alkylbenzolen, von Fettsäuren, äthoxylierte Alkylphenole sowie Sulfate, Carbonate, Borate od. dgl., zweckmäßig noch Netzmittel wie Kaliumpyrophosphat, Pigmentverteiler, Verdickungsmittel wie Methylcellulose oder Hydroxyäthylcellulose usw.Usable latex paints contain in addition to those dispersed in water Mixed polymer particles and the minor additives customary for such latices, such as B. sodium, potassium or ammonium salts of sulfonated alkylbenzenes, of Fatty acids, ethoxylated alkylphenols and sulfates, carbonates, borates or the like, expediently also wetting agents such as potassium pyrophosphate, pigment distributors, thickeners like methyl cellulose or hydroxyethyl cellulose etc.

Es hat sich erwiesen, daß derartige Latices dann die besten Ergebnisse bringen, wenn sie pigmentiert sind. Als Pigmente eignen sich beispielsweise die verschiedenfarbigen Eisenoxyde, Chromoxyd, Nickeltitangelb, Titandioxyd und für Außenanstriche brauchbare organische Buntpigmente. Durch Kombination von Pigmenten und Füllstoffen verschiedener Kristallstruktur und Teilchengröße erhält man eine für die Wetterbeständigkeit günstige Filmpackung. Der Einsatz von Glimmer ist für die Erzielung und Erhaltung der Filmeigenschaften von besonderer Bedeutung.It has been found that such latices then give the best results bring when they are pigmented. Examples of suitable pigments are the different colored iron oxides, chromium oxide, nickel titanium yellow, titanium dioxide and for Exterior paints usable organic colored pigments. By combining pigments and fillers of different crystal structure and particle size one obtains one film pack favorable for weather resistance. The use of mica is for the achievement and maintenance of the film properties is of particular importance.

Eine besonders gute Porendichtigkeit der pigmentierten Latexfarben erzielt man, wenn man die Pigmentvolumenkonzentration zwischen 20 und 30 °/o hält. Unter Pigmentvolumenkonzentration versteht man den Gehalt an Pigmenten und Füllstoffen im trockenen Gesamtanstrich, ausgedrückt in Volumprozenten; zu den Pigmenten zählen dabei auch die festen Füllstoffe, während das Bindemittel insgesamt aus dem Mischpolymerisat und den organischen Zusätzen wi-. Verdickungs- und Netzmitteln, Emulgatoren usw. besteht. Eine vorteilhafte Ausführungsform des Verfahrens zeichnet sich dadurch aus, daß man die Farbe auf warme Zementdachziegel aufträgt.A particularly good pore tightness of the pigmented latex paints is achieved if the pigment volume concentration is kept between 20 and 30%. The pigment volume concentration is understood to mean the content of pigments and fillers in the total dry paint, expressed as a percentage by volume; are among the pigments also the solid fillers, while the binder consists entirely of the copolymer and the organic additives wi-. Thickening and wetting agents, emulsifiers, etc. consists. An advantageous embodiment of the method is characterized is characterized by the fact that the paint is applied to warm cement roof tiles.

Die beschriebenen Latexfarben geben Überzüge mit hervorragenden Filmeigenschaften.The latex paints described give coatings with excellent film properties.

Es hat sich als zweckmäßig erwiesen, die Latexfarben im Spritzverfahren auf die Zementdachziegel aufzutragen. Besonders vorteilhaft kann man die Ziegel, wenn sie nach dem Dämpfen und weitgehendem Abkühlen mit etwa 40°C die Heizkammern verlassen, auf einem Fließband mittels einer stationären Spritzanlage lackieren: die Trockenzeit kann durch einen nachgeschalteten Infrarottunnel weiter abgekürzt werden.It has proven to be useful to spray the latex paints to apply on the cement roof tiles. Bricks, when, after steaming and largely cooling down at around 40 ° C, the heating chambers leave, paint on a conveyor belt using a stationary spray system: the drying time can be further shortened by a downstream infrared tunnel will.

Besonders überraschend ist, daß in der Regel ein einziger Farbauftrag vollständig ausreicht, um den gewünschten Oberflächenschutz der Zementdachziegel zu erreichen.It is particularly surprising that, as a rule, a single application of paint completely sufficient to achieve the desired surface protection of the cement roof tiles to reach.

Beispiel 33,0 Gewichtsteile einer Styrol-Butadien-Copolyme- risat-Dispersion (Styrol zu Bu- tadien = 60:40) mit einem Trockengehalt von 480/, unter Vermeidung von Schaum- bildung zugemischt; schließlich wird durch Zugabe von 20,0 Gewichtsteile Wasser auf Spritzkonsistenz eingestellt 100,00 Gewichtsteile Frische Zementdachziegel werden mit dieser Latexfarbe gespritzt, wobei etwa 300 g flüssige Farbe auf den Quadratmeter Ziegeloberfläche angewendet werden.example 33.0 parts by weight of a styrene-butadiene copolymer risat dispersion (styrene to Bu- tadien = 60:40) with a Dry content of 480 /, avoiding foam education admixed; in the end is achieved by adding 20.0 parts by weight of water adjusted to spray consistency 100.00 parts by weight Fresh cement roof tiles are sprayed with this latex paint, applying about 300 g of liquid paint to the square meter of tile surface.

Nach der Trocknung des Farbauftrages wurden die lackierten Ziegel im Vergleich mit unlackierten horizontal und in einem Winkel von 45° der Freibewitterung ausgesetzt. Die mit der Beschichtung ausgerüsteten Dachziegel zeigten im Gegensatz zu nicht beschichteten keine Ausblühungen. Nach einer Beobachtungszeit von 2 Jahren blieb der ausgezeichnete optische Eindruck erhalten.After the paint had dried, the painted bricks were compared with unpainted horizontally and at an angle of 45 ° of outdoor exposure exposed. The roof tiles equipped with the coating showed in contrast to uncoated no efflorescence. After an observation period of 2 years the excellent visual impression was retained.

Claims (3)

Patentansprüche: 1. Verfahren zum Isolieren von Zementdachziegeln gegen Ausblüherscheinungen, d a d u r c h gekennzeichnet, daß man auf die Zementdachziegel eine pigmentierte Latexfarbe aus einem Styrol-Butadien-Mischpolymerisat, worin das Verhältnis Styrol zu Butadien zwischen 70: 30 und 50:50 liegt, aufträgt. Claims: 1. Method for insulating cement roof tiles against efflorescence, d u r c h marked that one is on the cement roof tiles a pigmented latex paint made from a styrene-butadiene copolymer, in which the The ratio of styrene to butadiene is between 70:30 and 50:50. 2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß die Pigmentvolumenkonzentration 20 bis 300/, beträgt. 2. The method according to claim 1, characterized in that the pigment volume concentration is 20 to 300 / . 3. Verfahren nach Anspruch 1 und 2, dadurch gekennzeichnet, daß man die Farbe auf warme Zementdachziegel aufträgt. In Betracht gezogene Druckschriften: Französische Patentschrift Nr. 1262 439; USA.-Patentschrift Nr. 3 027 294; Kunststoff-Rundschau, 1955, S. 118.3. The method according to claim 1 and 2, characterized in that the paint is applied to warm cement roof tiles. Documents considered: French Patent No. 1262 439; U.S. Patent No. 3,027,294; Kunststoff-Rundschau, 1955, p. 118.
DE1963C0030936 1963-09-20 1963-09-20 Method for insulating cement roof tiles against the appearance of bleeding Pending DE1236994B (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
DE1963C0030936 DE1236994B (en) 1963-09-20 1963-09-20 Method for insulating cement roof tiles against the appearance of bleeding
AT99164A AT246633B (en) 1963-09-20 1964-02-07 Method for insulating cement roof tiles against blooming phenomena
NL6402766A NL138830B (en) 1963-09-20 1964-03-16 METHOD FOR COVERING CEMENT ROOF TILES.
CH344864A CH464772A (en) 1963-09-20 1964-03-18 Method for insulating cement roof tiles against blooming phenomena
FR988108A FR1407617A (en) 1963-09-20 1964-09-15 Process for insulating cement tiles against efflorescence phenomena
SE1119064A SE311494B (en) 1963-09-20 1964-09-17
GB3813664A GB1073271A (en) 1963-09-20 1964-09-18 Process for insulating cement roofing tiles against efflorescence

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1963C0030936 DE1236994B (en) 1963-09-20 1963-09-20 Method for insulating cement roof tiles against the appearance of bleeding

Publications (1)

Publication Number Publication Date
DE1236994B true DE1236994B (en) 1967-03-16

Family

ID=7019593

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1963C0030936 Pending DE1236994B (en) 1963-09-20 1963-09-20 Method for insulating cement roof tiles against the appearance of bleeding

Country Status (6)

Country Link
AT (1) AT246633B (en)
CH (1) CH464772A (en)
DE (1) DE1236994B (en)
GB (1) GB1073271A (en)
NL (1) NL138830B (en)
SE (1) SE311494B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8531606D0 (en) * 1985-12-23 1986-02-05 Anchor Building Products Ltd Roofing & cladding tiles
GB8617767D0 (en) * 1986-07-21 1986-08-28 Redland Bricks Ltd Building products
AT394550B (en) * 1989-09-20 1992-04-27 Stiglitz Ernst Raimund METHOD FOR FINISHING STONE MATERIAL AND LACQUER FOR CARRYING OUT THIS METHOD
DE3932573A1 (en) * 1989-09-29 1991-04-11 Nelskamp Dachziegelwerke Gmbh Durable coloured concrete roofing tiles - consist of pigmented portland cement mixes with extruded or rolled on covering of similar cement mix plus specified type of polymer
GB2251246A (en) * 1990-12-05 1992-07-01 Brickmatch Ltd A composition suitable for application to stonework or brickwork
US5718943A (en) * 1995-07-20 1998-02-17 Rohm And Haas Company Method for producing efflorescence resistant coating on cementitious substrate

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1262439A (en) * 1960-07-15 1961-05-26 Union Chimique Belge Sa Waterproofing process
US3027294A (en) * 1959-12-17 1962-03-27 Ruberoid Co Production of water-repellent asbestos-cement products

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3027294A (en) * 1959-12-17 1962-03-27 Ruberoid Co Production of water-repellent asbestos-cement products
FR1262439A (en) * 1960-07-15 1961-05-26 Union Chimique Belge Sa Waterproofing process

Also Published As

Publication number Publication date
CH464772A (en) 1968-10-31
NL138830B (en) 1973-05-15
GB1073271A (en) 1967-06-21
NL6402766A (en) 1965-03-22
AT246633B (en) 1966-04-25
SE311494B (en) 1969-06-09

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