Mastic Asphalt Roofing - IKO Permaphalt - Mastic asphalt roofing
Verified by manufacturer 2 months ago
NSAI Agrément Certificate
Certificate type
Polymer modified mastic asphalt roof waterproofing.
Application
Suitable for insulated warm roofs, un-insulated cold roofs and inverted/ green roof configurations, balconies, terraces, podiums, zero fall roofs, biodiverse/brown roofs, roof gardens and blue roof specifications.
Description
A specially formulated mastic asphalt roofing using advanced polymer technology to provide a combination of long-term durability, increased fatigue resistance, improved temperature stability and ease of installation.
It can be applied to form a continuous waterproof covering over flat, sloped or curved surfaces. It can be worked round pipes, roof lights and other projections to provide a completely seam free membrane.
Features and benefits:
- Complies with BS EN 12970:2000 – Mastic asphalt for waterproofing.
- BBA Certified (89/2299).
- Advanced polymer modification.
- Broof(t4) Fire Classification.
- Completely seamless waterproofing.
- Long term durability.
- Enhanced product stability across a wide temperature range.
- Traditional application.
- Manufactured under a BS ISO 9001 Quality Assurance Scheme.
- Up to 25 year waterproofing guarantee.
General information
Color | Black |
Material | Asphalt Polymer |
Length | Bespoke |
Width | Bespoke |
Height | 20 mm 30 mm |
Warranty description | 25 year |
Uniclass | |
CAWS | J21/402 Mastic asphalt (roofing) J21/26 Mastic asphalt |
Specification data - Roofing, tanking and flooring mastic asphalt (MA)
Standard | To BS EN 12970. |
Grade | Block (20 kg). |
Grade of asphaltic cement | Polymer modified. |
Colour | Black. |
Thickness: | 20 mm. 30 mm. |
Mass | 2.2 kg/m²/mm of thickness. |
Expansion | Coefficient of cubic expansion: 15 x 10^-5/°C. |
Vapour resistivity | Not less than 100,000 MN/g. |
Water resistance | IKO Permaphalt is impervious to water. |
Resistance to fire | To EN 13501-5, Broof(t4). |
Movement | IKO Permaphalt is thermoplastic and is capable of accommodating normal movements encountered in well-designed building structures. Guidance for specification option: Structural movement joints within the roof will require the incorporation of a proprietary expansion joint which is compatible with a mastic asphalt roof waterproofing system. |
Surface protection | With the exception of vertical and steeply sloping work, the finished IKO Permaphalt must be sand rubbed to reduce the incidence of crazing. A protective surface should be applied to all flat areas using a suitable solar reflective paint, stone chippings or promenade surfacing. Guidance for specification option: A protective surface should be applied to all flat areas using a suitable solar reflective paint, stone chippings or promenade surfacing. |
Durability | Capable of lasting 50-60 years. |
Outlets | IKO Elite Outlets. |
Third-party certification | British board of agrement: 89/2299. |
Sustainability data
Country of material origin | United Kingdom |
Country of product manufacture | United Kingdom |
Third party certifications
NSAI Agrément Certificate
23-0439-IKO-PERMAPHALT-ROOF-WATERPROOFING-SYSTEM
Literature
IKO Permaphalt Design Guide
IKO Permaphalt Technical Data Sheet
Case studies
Renewing the Mastic Asphalt Roof Coverings for the Westminster Cathedral - Carbon Neutral Project
Mastic Asphalt Roof Refurbishment for The Grade I Listed Building