A new self-build house in County Monaghan, Ireland, has been built incorporating the
high-performing Wraptite air-barrier from the A. Proctor Group. The project, designed by
McGuigan Architects, Monaghan, consists of a 250m2 detached private residence developed
by Mark Skinnader.
The client, Mark Skinnader, explains. “In the early stages of the project, the A. Proctor Group
technical representative visited the site to identify a suitable airtight system. As there is no
cavity in the proposed wall build-up, we chose the Wraptite breather membrane to act as a
vapour permeable and airtight barrier at the sheathing board layer.”
The house design is a load-bearing Lightweight Steel Frame Construction. The steel frame
system’s exterior finish is formed of a 12mm Y-Wall Sheathing Board, the Wraptite Airtight
Breather Membrane, and a 150mm Sto EPS Insulated Render System.
The U-Value and condensation risk calculations carried out by the A. Proctor Group on the
proposed through wall build-up confirmed no risk of condensation.
Because the house is a self-build project and the external finish was not critical to the
overall programme, the membrane provided both a damage resistant air barrier layer and
effective secondary weather protection in one installation process, to allow internal trades
to proceed earlier. In addition, the self-adhesive application of Wraptite enables it to be left
exposed for up to 120 days during construction.
On the performance of Wraptite on the project, Mark Skinnader commented, “The
experience with Wraptite has been excellent. The material is extremely high quality and
has provided an excellent weathertight seal to the building envelope. In addition, the selfadhesive
nature of Wraptite makes the installation much quicker and more efficient. Waste
was minimal, and offcuts could be re-used. The A. Proctor Group also provided Wraptite
Liquid Flashing for sealing around windows, another excellent product. I am now actively
looking at Wraptite on several large scale projects.”
The Wraptite system is the only self-adhering vapour permeable air barrier certified by
the BBA. It combines the critical properties of vapour permeability and airtightness in one
self-adhering membrane. As a result, it provides high vapour permeability in a continuously
sealed, airtight membrane, saving time and cost.
The high vapour permeability of the Wraptite air barrier allows the substrate beneath to
dry quickly and moisture vapour to escape and reduces the likelihood of mould, mildew,
condensation, timber distortion and metal corrosion.

Wraptite - County Monaghan, Ireland

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Material Properties
Wraptite-SA
Property | Test Method | Result |
---|---|---|
Roll Size | 1.5 x 50 m | |
Thickness | Calibrated Deadweight Micrometer | 0.65 mm |
Weight | Electronic Weigh Scale | 292 g/m2 |
Application Temperature - Air & Surface Minimum | -10 C | |
Service Temperature | -40 to 80 C | |
Water Penetration - Before Ageing | EN 1928:2000 Method A | W1 Class |
Water Penetration - After Ageing | EN 1928:2000 Method A | W1 Class |
Air Permeance | EN 12114 | 0.01 m3/m2/hr @50Pa |
Water Vapour Resistance Sd | EN ISO 12572(C) | 0.039 m |
Water Vapour Transmission | BS 3177:1959 | 893 g/m2/24hr |
Peel Adhesion | EN 1939 | 5.01 N/10mm |
Tensile Strength - MD | EN 12311-1 | 417 N |
Tensile Strength - XD | EN 12311-1 | 252 N |
Tear Resistance - MD | EN 12310-1 | 412 N |
Tear Resistance - XD | EN 12310-1 | 286 N |
Dimensional Stability - MD | EN 1107-2 | 0.3 % |
Dimensional Stability - XD | EN 1107-2 | +0.1 % |
Reaction to Fire | EN 13501 - 1 | B Class |
Flexibility at Low Temperature | EN 1109 | No cracks at -40C |
BIM Objects
File | Format |
---|---|
Wraptite - BIM Object - Steel Frame | IFC |
Wraptite and Facadeshield UV - BIM Object - Steel Frame | IFC |
Wraptite - BIM Object - Steel Frame With Reflectite Tape Over Board Joints | IFC |
Wraptite - BIM Object - Steel Frame Wraptite Tape Over Board Joints | IFC |
Wraptite - BIM Object - Wraptite Tape Over Board Joints | IFC |
Wraptite - BIM Object - Ventilated Timber Frame With External Airtight Membrane Wraptite | IFC |
Wraptite - BIM Object - Ventilated Timber Frame With External Airtight Membrane And Wraptite Tape Over Board Joints | IFC |
Wraptite - BIM Object - Warm Roof Slate With Softwood Sarking | RVT |
Wraptite - BIM Object - Warm Roof Tile With Plywood Sarking | RVT |
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