- Widely used roof and wall underlay
- Kraft paper based, bituminous building underlay
- Highly water resistant
- It is vapour permeable, meaning that liquid water from the outside is prevented from penetrating but water vapour from the inside can pass through and escape the building envelope.
- Easy to install. Direct fix or cavity fix.
- NOTE: Brand supplied may vary depending on availability (specifications & performance remain equal)
- 1 roll (1250mm wide x 40m long)
- Coverage: 50sqm
- Colour: Standard Black
Self Supporting Roof Underlay
About
Self Supporting Roof Underlay
Self supporting bituminous wall and roof underlay – A.K.A Building Paper.
FEATURES
- Widely used roof and wall underlay
- Kraft paper based, bituminous building underlay
- Highly water resistant
- It is vapour permeable, meaning that liquid water from the outside is prevented from penetrating but water vapour from the inside can pass through and escape the building envelope.
- Easy to install. Direct fix or cavity fix.
- NOTE: Brand supplied may vary depending on availability (specifications & performance remain equal)
- 1 roll (1250mm wide x 40m long)
- Coverage: 50sqm
- Colour: Standard Black
- Widely used roof and wall underlay
- Kraft paper based, bituminous building underlay
- Highly water resistant
- It is vapour permeable, meaning that liquid water from the outside is prevented from penetrating but water vapour from the inside can pass through and escape the building envelope.
- Easy to install. Direct fix or cavity fix.
- NOTE: Brand supplied may vary depending on availability (specifications & performance remain equal)
- 1 roll (1250mm wide x 40m long)
- Coverage: 50sqm
- Colour: Standard Black
$118.00 exc. GST
| Weight | 0.1 kg |
|---|---|
| Coverage |
|
| Choose Your Colour |
Applications
Suitable as both roof and wall underlay use. Please see product brochure download for full application suitability and limitations.
For Roof Application:
- Suitable with masonry tile, metal tile and profiled metal roof cladding.
- Direct fix or cavity fix.
- Can be used on roofs up to and including NZS 3604 ‘Extra High’ wind zones.
- Refer to installation guide regarding underlay support requirements.
- Will provide temporary weather protection during construction (maximum 7 days), same day coverage recommended.
For Wall Application:
- Suitable for use with both timber and steel framing, either direct fix or in conjunction with an 18mm minimum drained cavity.
- Can be used with absorbent wall claddings (e.g. timber, brick or fibre cement) or non-absorbent wall claddings (e.g. metal or plastic).
- Can be used with masonry veneer in accordance with NZS 3604.
- Suitable for buildings situated in NZS3604 Building Wind Zones up to and including ‘Very High’.
- Thermakraft 215 can be used as an air barrier to reduce wind entry and is highly water resistant.
- Will provide temporary weather protection during construction (maximum 28 days).
Self Support Underlay is NOT fire retardant
Dimensions
Each role is 1250mm wide x 40m long and allows for 50m2 actual coverage (allows for laps and joins).
Returns Policy
Please ensure your specifications are correct at time of order. Only un-opened and un-damaged packs will be considered for return. Must be returned in their original packaging. See Returns Policy Page for full terms & conditions.
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