WO2018150409A1 - Seuil - Google Patents

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Publication number
WO2018150409A1
WO2018150409A1 PCT/IE2018/000001 IE2018000001W WO2018150409A1 WO 2018150409 A1 WO2018150409 A1 WO 2018150409A1 IE 2018000001 W IE2018000001 W IE 2018000001W WO 2018150409 A1 WO2018150409 A1 WO 2018150409A1
Authority
WO
WIPO (PCT)
Prior art keywords
threshold unit
threshold
housing
unit
grip
Prior art date
Application number
PCT/IE2018/000001
Other languages
English (en)
Inventor
Thomas Liam MC COOEY
Original Assignee
Mc Cooey Thomas Liam
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 Mc Cooey Thomas Liam filed Critical Mc Cooey Thomas Liam
Publication of WO2018150409A1 publication Critical patent/WO2018150409A1/fr

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B1/00—Border constructions of openings in walls, floors, or ceilings; Frames to be rigidly mounted in such openings
    • E06B1/70—Sills; Thresholds
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B1/00—Border constructions of openings in walls, floors, or ceilings; Frames to be rigidly mounted in such openings
    • E06B1/70—Sills; Thresholds
    • E06B2001/707—Thresholds with special provision for insulation

Definitions

  • This invention relates to a threshold and more particularly to a standardised external threshold unit.
  • Radon gas is a naturally occurring gas which has been identified as a potential health risk to the occupants of a building.
  • building regulations recommend that a radon barrier be installed in buildings. Radon barriers are commonly placed beneath the ground floor of a building and it is recommended that the barrier extend to the exterior of the building. Accordingly, radon barrier requirements must also be considered whilst detailing and constructing a threshold detail - i.e. the external threshold detail must be detailed and
  • a threshold detail must also be so designed and constructed to provide a suitable base to facilitate the installation of external doors.
  • stepped and level thresholds can present significant weaknesses in fulfilling the overall functions of the threshold detail described above.
  • a standard threshold detail of the prior art requires a collection of separate and varied materials having a range of various properties to be assembled together to form the threshold detail - a conventional threshold detail is typically made up of a damp proof course, insulation materials, masonry/concrete, drainage materials and sealing materials.
  • the threshold detail is formed in an ad-hoc manner over time during the building process frequently by different personnel with differing and limited skillsets. For example, once the foundations of a building are laid, blocklayers then build the rising walls to ground floor level with little regard for the position of door openings. This process is followed by the preparation of the sub-base for the ground floor to include the installation of the damp proof membrane/radon barrier on which an insulation layer and perimeter insulation is placed prior to the placing of a concrete floor slab - these steps often being undertaken by general operatives with once again little regard for the threshold detail. Moreover, the concrete floor slab is placed by concrete placer/concrete finisher personnel who also have little regard for the construction of the threshold detail.
  • the block/bricklaying team then returns and constructs the superstructure with, in general, careful regard for window details and vertical door details but with, in general, scant regard for the threshold detail.
  • the threshold detail is often ignored until the installation of the external windows and doors when it is discovered that the threshold detail requires significant works to construct the detail - works which are again often undertaken by general operatives lacking the skills to construct a highly functioning threshold detail.
  • due to the complexity of construction of a sound threshold detail and an emphasis on ensuring a sound grounding for the door framing there exists a likelihood that threshold materials will be damaged, incorrectly bonded or omitted from the detail resulting in a compromised threshold detail.
  • each threshold detail of the prior art is constructed ad initio and can vary greatly in quality, construction and efficiency - known threshold details lack uniformity and are not universal.
  • - thresholds are inconsistently constructed; - known threshold details consists of too many materials of varying characteristics required at the one location and deployed by various operatives;
  • a threshold unit comprising:
  • a body for extending across a threshold, the body having a housing for holding insulating material and a mounting base for mounting the threshold unit at a threshold.
  • the body comprises an elongate body.
  • the housing comprises an insulation chamber for receiving insulating material.
  • the mounting base comprises a base plate to close the insulation chamber.
  • the housing comprises an insulation chamber opening.
  • the mounting base comprises at least one flange for attaching the mounting base to blockwork/substructure.
  • the housing comprises a front wall, a rear wall opposite the front wall and a top wall extending between the front and rear walls and the at least one flange extends forwardly from the front wall.
  • the housing further comprise a rear flange extending rearwardly from the rear wall.
  • the at least one flange comprises an alignment mechanism to align the threshold unit on blockwork.
  • the alignment mechanism comprises alignment clips attachable to the at least one flange
  • the rear flange comprises a masonry mounting for attaching the threshold unit to blockwork. More preferably, the masonry mounting comprises masonry fixings insertable through the rear flange.
  • the top wall comprises at least one capillary groove for moisture exclusion.
  • the top wall comprises a pair of parallel capillary grooves.
  • the housing comprises a detachable top plate mountable on the top wall to adjust the size of the threshold unit.
  • the housing further comprises a reinforcing plate for reinforcing the threshold unit.
  • the reinforcing plate comprises a metal reinforcing plate.
  • the housing comprises a screeding guide to define a screeding edge for finished floor levels.
  • the screeding guide comprises a lip on the housing.
  • the threshold unit comprises at least one grip for gripping a DPM/radon membrane. More preferably, the at least one grip is on the housing and/or the mounting base. Suitably, the at least one grip comprises an adhesive grip.
  • the at least one grip comprises a mechanical grip.
  • the mechanical grip comprises a flap.
  • the threshold unit further comprises an integral drainage channel.
  • the drainage channel is defined in the housing.
  • the drainage channel is a U-shaped drainage channel.
  • the drainage channel comprises a removable grille.
  • the drainage channel comprises an outlet.
  • the invention therefore provides a threshold unit comprising a body for extending across a threshold, the body having a housing for holding insulating material and a base for mounting the threshold unit at a threshold.
  • the housing houses insulating material.
  • the body is adapted to extend across the base of external door openings and the base is adapted to mount the threshold unit to blockwork/substructure.
  • the invention also extends to a method for constructing a threshold detail comprising installing a threshold unit as hereinbefore defined as a threshold unit.
  • the threshold unit of the invention is a universal threshold unit that standardises threshold details thereby optimising the thermal and insulating properties of threshold details by preventing cold bridging and air infiltration.
  • the standalone threshold unit of the invention is also suitable for most applications, minimises joints within the threshold detail and simplifies construction while being easily installed before floors are placed.
  • the pre-assembled or manufactured threshold unit of the invention ensures the uniformity and structural integrity of thresholds provided with the threshold unit of the invention to ensure optimal thermal performance, moisture ingress prevention and air/radon gas infiltration prevention.
  • the threshold unit therefore resists moisture ingress and thermal bridging at external thresholds whilst eliminating the confusion associated with known ad-hoc threshold construction methods.
  • the threshold unit of the invention effectively prevents radon infiltration into a building at a threshold.
  • the threshold unit has an accessible drainage channel and also provides fixing options for door frames whilst also ensuring the durability of thresholds.
  • the application of the threshold unit for the formation of a threshold detail enables thresholds to be efficiently constructed and replicated whilst the installation can be completed in one operation with the lip on the housing of the threshold unit defining a guiding "true" edge to screed and finish floors to.
  • thresholds are therefore much easier and more economically constructed with no requirement for stop ends or individual materials - multiple operatives are not involved with the construction of the threshold detail so that construction of the threshold detail is simplified whilst quality and reliability is improved.
  • the threshold unit of the invention exceeds building regulation requirements whilst providing a durable component with which to facilitate the fixing and sealing of door cills. Potentially vulnerable joints within thresholds are eliminated by the threshold unit resulting in a decreased risk of cracking or bond failure of floor coverings so that the risk of moisture ingress, air/radon infiltration and thermal bridging is greatly reduced.
  • Figure 1 is a cross-sectional view through a typical multi-component threshold detail of the prior art at a threshold in which the threshold detail is constructed in-situ using a multi-step and multi-operative process;
  • Figure 2 is an exploded perspective view from above and one side of a first embodiment of a universal standalone pre-manufactured threshold unit of the invention for a stepped threshold in which the threshold unit is manufactured off-site and installed by a single operative at a threshold during construction;
  • Figure 3 is a cross-sectional view through the threshold unit of Figure 2;
  • Figure 4 is an exploded end elevation of the threshold unit of Figure 2;
  • Figure 5 is a partial cross-sectional view through the threshold unit of Figure 2 installed at a threshold with the threshold unit fixed to the rising blockwork beneath the door and doorframe with the radon barrier/DPM fixed to the threshold unit;
  • Figure 6 is a second partial cross-sectional view through the threshold unit of Figure 2 in-situ at the threshold;
  • Figure 7 is a perspective view from above and one side of a second embodiment of a universal standalone pre-manufactured threshold unit of the invention for a level threshold in which the threshold unit is provided with an integrated drainage channel;
  • Figure 8 is a cross-sectional view through the threshold unit of Figure 7;
  • Figure 9 is an exploded cross-sectional view through the threshold unit of Figure 7;
  • Figure 10 is a cross-sectional view through the threshold unit of Figure 7 mounted in place at a level threshold beneath a door and doorframe, and
  • Figure 11 is an end elevation of a simplified duct-like third embodiment of the threshold unit of the invention in which, inter alia, the base plate, the detachable top plate and the reinforcing plate are omitted and the lip defining the screeding edge is fixed to the housing.
  • Figure 1 shows a cross-sectional view through a typical multi-component threshold detail 1 of the prior art constructed at a threshold in which the threshold detail 1 is constructed in-situ at the threshold using an ad-hoc multi-step and multi-operative process.
  • the threshold detail 1 is constructed between an outer cill 2 and an internal structural floor 3 beneath a doorframe 4.
  • a separate drainage channel 5 is located adjacent the cill 2 for receiving and draining rainwater and the like from the
  • the threshold detail 1 is formed at (infill) blockwork 6 and a transition unit 7 that extends between the outer cill 2 and a finished floor 8 within a building while insulation 9 is positioned at the threshold detail 1 by an operative.
  • a DPM/Radon membrane 10 is also located at the threshold detail 1 by an operative.
  • the threshold detail 1 is constructed in an ad-hoc manner by multiple operatives during the construction of the building with the result that the thermal integrity of the threshold detail 1 can be compromised.
  • a significant risk exists that a cold bridge can form through the threshold detail 1 via the blockwork 6 and the transition unit 7.
  • the threshold detail 1 is not airtight while the DPM/radon membrane 10 at the blockwork 6 can increase the risk of potential failure should the infill blockwork 6 become dislodged while the fixing of the transition unit 7 to the blockwork 6 can also compromise the threshold detail 1. Water ingress as a result of capillary action can also occur through the cill 2 while the necessary transition unit 7 may not be compatible with selected floor coverings.
  • Figures 2 to 6 show an exploded perspective view from above and one side of a first embodiment of a universal standalone pre-manufactured threshold unit 11 of the invention for a stepped threshold in which the unitary threshold unit 11 is
  • the manufactured threshold unit 11 is made up of an elongate body 12 for extending across the length of a threshold having a detachable elongate top plate 13 for adapting the size of the threshold unit 11 to a threshold as required and to provide an air seal at the threshold to improve airtightness.
  • the elongate body 12 is made up of an elongate insulation housing 15.
  • the insulation housing 15 is upstanding from a mounting base 14 in the form of an elongate rectangular base plate 14 and extends the length of the base plate 14.
  • the housing 15 has a front wall 16, a rear wall 17 opposite and, in the present embodiment, parallel with the front wall 16, a first end wall 18, a second oppositely disposed end wall 19 and a top wall 20 having two parallel top wall capillary grooves 21 , 22 to assist with moisture exclusion extending along its length.
  • the rear wall 17 projects upwards beyond the top wall 20 to define a screeding guide 23 in the form of a lip 23 which, in use, defines a screeding edge for finished floor levels.
  • the lip 23 further defines a recess 24 on the grooved top wall 20 for receiving the detachable top plate 13.
  • the underside of the detachable top plate 13 is provided with two parallel elongate seams 21a, 22a complementary with the parallel grooves 21 , 22 in the top wall 20 so that the parallel seams 21a, 22a are received in the parallel grooves 21 , 22 when the detachable top plate 13 is attached to the housing 15.
  • the parallel seams 21a, 22a and the grooves 21 , 22 on the top wall 20 therefore also serve as a guide mechanism to guide and hold the top plate 3 in place (whilst also providing capillary grooves) on the top wall 20.
  • the detachable top plate 13 is also provided with parallel capillary grooves 21b, 22b.
  • the elongate housing 15, and in particular the front wall 16, the rear wall 17 and the base plate 14 (together with the end walls 18,19) define an enclosed insulation chamber 25 for containing thermal insulating material 26.
  • the elongate housing 15 contains an elongate (metal) reinforcing cill fixing plate 27 for securing a doorframe to the threshold unit 11 if required.
  • the cill fixing plate 27 is positioned within the housing 15 between the insulation chamber 25 and the top wall 20.
  • the housing 15 has a front flange 28 extending forwardly from the front wall 16 of the housing 15 and a rear flange 29 extending rearwardly from the rear wall 17 of the housing 15 at the base plate 14.
  • the housing 15 and base plate 14 are sized so that the threshold unit 11 is adapted to sit or be mounted on blockwork 6 at a threshold i.e. in the present embodiment the base plate 14 defines a mounting 14 for the threshold unit 11 for mating with the blockwork 6.
  • the base plate 14 can be positioned on blockwork 6 using an alignment mechanism 30 in the form of alignment clips 30 attachable to the front flange 28 for abutting the face of blockwork 6 while the base plate 14 can be attached to the blockwork via masonry mountings 31 at the rear flange 29 e.g. masonry fixings 31 insertable through complementary openings in the rear flange 29.
  • the walls 16,17,18,19 of the housing 15 can be provided with a DPM/radon membrane grip 32 which can be in the form of a mechanical flap to grip a
  • DPM/radon membrane or a double sided adhesive tape is provided.
  • the underside of the base plate 14 is provided with a base DPM/radon membrane attachment 33 which for holding a DPM/radon membrane 10 in place between the threshold unit 11 and blockwork 6.
  • the DPM/radon membrane attachment 33 can also be in the form of double sided adhesive tape.
  • the detachable top plate 13 can be secured to the housing 15 via a top plate fixing in the form of a screw 34 as required.
  • the pre-manufactured off-the-shelf threshold unit 11 described above is positioned at a threshold 35 by mounting the threshold unit 11, which is selected according to the size of the threshold 35, on the blockwork 6 of the threshold 35.
  • the threshold 35 is provided with an external step 36 while, internally, a blinding layer 37 and a hardcore layer 38 are provided beneath a finished floor 8 and an insulation layer 9 and a DPM/radon membrane 10.
  • the threshold unit 11 is installed at the threshold 35 prior to finishing the floor 8 i.e. before laying the finished floor 8 and the insulation layer 9.
  • the DPM/radon membrane 10 is first positioned over the blockwork 6 before positioning the threshold unit 11 on the blockwork 6.
  • the DPM/radon membrane attachment 33 in the form of double sided adhesive tape on the base plate 14 adheres to the DPM/radon membrane 10 to correctly position and hold the threshold unit 11 in place while the alignment clips 30 also assist in positioning and fixing the threshold unit 11 correctly.
  • the threshold unit 11 is then secured to the blockwork 6 via the masonry fixings 31 as required.
  • the DPM/radon membrane 10 is then also attached to the threshold unit 11 at the rear DPM/radon attachment 32 which, in the present embodiment, is also in the form of a double sided adhesive tape.
  • the threshold unit 11 therefore forms and effective thermal and moisture barrier between the external step 36 and the interior of the building.
  • the detachable top plate 13 can be removed e.g. where a doorframe is required to be recessed into the finished floor 8.
  • the doorframe 4 can be secured to the reinforcing plate 27 if necessary.
  • the threshold unit 11 Following installation of the threshold unit 11 , the insulation 9 and finished floor 8 can be laid, up to the lip 23 which defines the finished floor 8 level without requiring construction of a threshold detail 1 as described in Figure 1 - the threshold unit 11 therefore obviates the need for any operatives to construct a threshold detail.
  • the threshold unit 11 therefore effectively forms a moisture and thermal barrier at the threshold 35 which is not compromised by operatives while the installation can be replicated consistently and efficiently at all thresholds 35. Ingress of water at the threshold 35 is further prevented by a moisture deflector in the form of a chamfered edge 39 on the housing 15 between the housing front wall 16 and the housing top wall 20 which directs water e.g. precipitation away from the threshold 35 onto the step 36.
  • FIGs 7 to 10 show a second embodiment of the universal standalone pre- manufactured threshold unit 11 of the invention in which the threshold unit 11 is adapted for use with a level threshold 35 and in which the threshold unit 11 is provided with an integrated external drainage channel 40.
  • the threshold unit 11 is broadly similar to the threshold unit 1 of Figures 2 to 6 and like numerals indicate like parts.
  • the elongate drainage channel 40 is defined in the housing 15 at the front wall 16 and is substantially U-shaped in cross-section having an open mouth 41.
  • a removable elongate grille 42 is provided to cover the drainage channel 40 while an outlet pipe 43 is provided in the housing 15 to discharge water from the drainage channel 40.
  • the top wall 20 of the housing 15 is also provided with surface water drain in the form of a drainage bore 44 extending between the top wall 20 and the drainage channel 40 to drain water from the top wall 20 of the threshold unit 11 to further prevent ingress of water across the threshold 35.
  • the threshold unit 11 of the present embodiment is deployed in a manner similar to that described in Figures 2 to 6.
  • Figure 1 shows an end elevation of a simplified duct-like third embodiment of the threshold unit 11 of the invention in which, inter alia, the detachable top plate 13, the base plate 14 and the reinforcing plate 27 are omitted and the lip 23 defining the screeding edge is made up of a separate piece fixed to the housing 15 e.g. using a screw.
  • the threshold unit 11 of the present embodiment is particularly suitable for manufacture using a mould.
  • the housing 15 has a substantially inverted U-shape having a front wall 16, a rear wall 17 and top wall 20 as previously defined with the insulation chamber 25 for receiving the insulation 26 being defined by the inverted U- shape.
  • the front wall 16 and the rear wall 17 taper inwards towards the top wall 20 and, as the base plate 14 of the previous embodiments is omitted, the front and rear walls 16,17 together define a chamber opening 45 into the insulation chamber 25 for inserting the insulation 26 into the insulation chamber 25 following moulding i.e. the insulation chamber 25 is open.
  • the front flange 28 extends forwards from the front wall 16 as previously described while the rear flange 29 extends rearwardly from the rear wall 17. Accordingly, in the present embodiment, front flange 28, the rear flange 29 and the chamber opening 45 make up the mounting base 14.
  • the grooves 21 ,22 in the top wall 20 are also omitted to simplify manufacture.
  • the threshold unit 11 of the invention is a single, standalone and pre-manufactured unit that can be easily installed and bonded to DP /radon membranes 10 which eliminates the risk of materials being omitted or damaged during construction of thresholds. Due to the reduced labour requirements needed to install the threshold unit 11 , costs are reduced considerably whilst the installation methods employed for thresholds are simplified and standardised.
  • the threshold unit 11 is also suitable for use with windows located at floor level.
  • the threshold unit 11 can be formed from any suitable material, e.g. fibreglass or plastics, and can be dimensioned as required.
  • the threshold unit 11 of Figures 2 to 6 can have a height of 225 mm and a width at the base plate 14 of 300 mm while the threshold unit 11 of Figure 11 can have a height of 212 mm, a front flange length of 100 mm, a rear flange length of 50 mm, a chamber opening width of 50 mm and a width between the front wall 16 and the rear wall 17 at the top wall 20 of 145 mm (due to the tapered nature of the front and rear walls 16,17).
  • the threshold unit 11 of the invention can be manufactured in any length as required and cut to size as need before installation. Alternatively, the threshold unit can be manufactured in standardised lengths as required for installation without requiring cutting to size.

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Building Environments (AREA)

Abstract

L'invention concerne un ensemble seuil préfabriqué autonome universel (11) pour un seuil qui comprend un corps (12) destiné à se prolonger à travers un seuil, le corps (12) comportant un logement (15) destiné à contenir un matériau isolant (26) et une base de montage (14) pour le montage de l'ensemble seuil (11) au niveau d'un seuil, l'ensemble seuil monobloc (11) étant fabriqué hors site et pouvant être installé par un seul ouvrier au niveau d'un seuil pendant la construction, assurant ainsi la continuité de l'isolation périphérique, une efficacité thermique accrue et une efficacité d'installation améliorée.
PCT/IE2018/000001 2017-02-16 2018-02-16 Seuil WO2018150409A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IES2017/0060 2017-02-16
IES20170060 2017-02-16

Publications (1)

Publication Number Publication Date
WO2018150409A1 true WO2018150409A1 (fr) 2018-08-23

Family

ID=61683861

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IE2018/000001 WO2018150409A1 (fr) 2017-02-16 2018-02-16 Seuil

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Country Link
WO (1) WO2018150409A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019106447A1 (de) * 2019-03-13 2020-09-17 Martin Heinrich Einstandsprofil
WO2023031509A1 (fr) * 2021-08-30 2023-03-09 Rakennus Alakangas Oy Structure de seuil

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2381287A (en) * 2001-10-25 2003-04-30 Wintem Limted Water drainage for the threshold of a door
DE102005035220A1 (de) * 2004-08-10 2006-06-01 Inge Frey Schiebeelement
DE102014005258A1 (de) * 2014-04-10 2015-10-15 GPC Grund- und Projekt-Consult GmbH Haltevorrichtung für eine Tür-, Balkon-und/oder Fensterbank
EP3020907A2 (fr) * 2014-11-14 2016-05-18 Carrières du Hainaut Pièce de fixation pour seuil extérieur et ensemble d'une telle pièce avec un seuil

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2381287A (en) * 2001-10-25 2003-04-30 Wintem Limted Water drainage for the threshold of a door
DE102005035220A1 (de) * 2004-08-10 2006-06-01 Inge Frey Schiebeelement
DE102014005258A1 (de) * 2014-04-10 2015-10-15 GPC Grund- und Projekt-Consult GmbH Haltevorrichtung für eine Tür-, Balkon-und/oder Fensterbank
EP3020907A2 (fr) * 2014-11-14 2016-05-18 Carrières du Hainaut Pièce de fixation pour seuil extérieur et ensemble d'une telle pièce avec un seuil

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019106447A1 (de) * 2019-03-13 2020-09-17 Martin Heinrich Einstandsprofil
WO2023031509A1 (fr) * 2021-08-30 2023-03-09 Rakennus Alakangas Oy Structure de seuil

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