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InteriA A2 Rated Internal Wall Insulation System - Internal Wall Insulation System
Verified by manufacturer 1 day ago
Internal wall insulation system incorporating a range of components including A1 non-combustible stone wool insulation and a plasterboard lining.
Application
Suitable for a range of projects including solid wall buildings, heritage and listed properties, flats and mid-terrace dwellings, and private and social housing refurbishments.
Description
Internal wall insulation system incorporating a A1 non-combustible stone wool insulation board, this system achieves a system fire classification of A2-s1,d0 to BS EN 13501-1.
Used as a cost-effective method to significantly reduce heat loss in properties that cannot be insulated externally due to planning restrictions or heritage considerations.
Features and benefits:
- Provides acoustic benefits.
- Moisture open and breathable.
- Fire classification: A2-s1, d0 to EN 13501-1.
- Design life: 60 years.
- Stone wool thermal conductivity: 0.034 W/mK.
- Standard insulation thickness 100 mm.
- Includes plasterboard lining.
- KIWA BDA certified.
General information
Color | Other |
Finish | Other |
Material | Plasterboard Mineral wool Stone wool Timber Mineral board |
Shape | Other |
Length | Bespoke |
Width | Bespoke |
Height | Bespoke |
Warranty description | Ten year 25 year |
Uniclass | |
CAWS | P10/217 Insulation slabs fixed to backing wall M20/47 One coat proprietary plaster M20/240 One coat proprietary plaster |
Specification data - Internal wall insulation systems
Classification data | |
System performance | Durability - 60 years; fire performance to EN 13501-1, Class A2-s1, d0. |
Support | InteriA IWI stud. Guidance for specification option: 85 mm Rockwool Hardrock Multi-Fix (DD) insulation board bonded to 15 mm fibre cement board. 100 mm thick by 50 mm. 1.2 or 2.4 m long. InteriA IWI OSB stud. Guidance for specification option: 85 mm Rockwool Hardrock Multi-Fix (DD) insulation board bonded to 15 mm OSB. 100 mm thick by 50 mm. 1.2 or 2.4 m long. |
Insulation | InteriA IWI stone wool infill slab. Guidance for specification option: Rockwool MW insulation slabs. Thermal performance ranging from 0.034 Wm²/K. 100 mm thickness.
|
Insulation fixing | Friction fitted between the studs. |
Vapour control layer | InteriA breather membrane. Guidance for specification option: Proctorwrap® polypropylene breather membrane, class W1, in accordance with BS EN 13859-2. 1.35 x 100 m roll. InteriA A2 breather membrane. Guidance for specification option: Glass fibre breather membrane, Class W2, in accordance with BS EN 13859-2. 1.5 x 50 m roll. Manufacturer guidanceTo be sealed with Reflectafoil Tape. |
Linings | 12.5 mm plasterboard. Guidance for specification option: As standard, type A plasterboard in accordance with BS EN 520. 1.2 or 2.4 m long. Consult manufacturer for details. |
Lining fixings | InteriA drywall screws. Guidance for specification option: Zinc-coated carbon steel high thread screw. InteriA collated self-drilling screws. Guidance for specification option: Hardened carbon steel zinc-plated screw. |
Joint treatment | IWI Intumescent & Acoustic Mastic. Guidance for specification option: Consult manufacturer for details. |
System accessories | Manufacturer guidanceConsult manufacturer for details and insert requirements. |
Mechanical fixings | InteriA R-UCF-A2. Guidance for specification option: Stainless steel screw. InteriA R-PTX. Guidance for specification option: Zinc-plated galvanized steel screw. InteriA Rawl 4 ALL. Guidance for specification option: Universal nylon plug. Manufacturer guidanceStud fixings, approx. 180 mm. |
Reveals | InteriA reveal board. Guidance for specification option: Pre-coated MW board, reinforced with fiberglass mesh and coated with cement polymer mortar. 1200 x 600 mm. |
Plaster | Manufacturer guidanceConsult manufacturer for details and insert requirements. |
Sustainability data
Contains Red List materials | No |
Country of material origin | Europe |
Country of product manufacture | Europe |
Manufacturing plant location | |
Material | Plasterboard Mineral wool Stone wool Timber Mineral board Mineral fibre Rock fibre mineral wool Rock fibre Rock mineral fibre Stonewool Plaster Fibre cement Oriented strand board (OSB) Polypropylene Glass Fibre Particleboard Rock mineral wool |
Expected Life | 60 year |