ALSAN 770
Soprema’s flagship cold-applied liquid waterproofing: a two-component, fast-curing PMMA resin used with fleece reinforcement on flat substrates and details. Part of the wider ALSAN PMMA family.

Carbon and evidence
Product Evidence
Evidence currently held for the Soprema product record.
Evidence Base
No declaration yetSoprema has not published an EPD or a quantified carbon figure for this product, so nothing on this card is numerical. The guidance below is qualitative — drawn from the product record and curated category knowledge — for early design discussion, not for figures.
No declaration found for ALSAN 770 on environdec, IBU or Soprema’s own document libraries (checked 8 Aug 2026), so no figure is recorded.
Next step: request a current product EPD or manufacturer carbon declaration.
What's missing (3)
- •No current product EPD is recorded.
- •No quantified carbon result is recorded.
- •No product-specific circularity or material-health claims are recorded.
Design & Specification Notes
Soprema’s flagship cold-applied liquid waterproofing: a two-component, fast-curing PMMA resin used with fleece reinforcement on flat substrates and details.
Typical Uses
- •Roof coverings
- •Waterproofing layer
- •Weather protection
Key Performance
High durability in wet exposure and wind uplift.
Typical Service-Life Estimate
40 yearsSpecification Actions
- •Request a current product-specific EPD where available.
- •Calculate transport distances for primary materials.
- •Document material reuse or reclaimed content percentages.
Indicative Health & Indoor Air
Installation risks (torch application, hot works, resin handling) are the installer’s to manage; follow the current manufacturer guidance.
Specification
- Finish
- Cold-applied PMMA liquid waterproofing resin, fleece reinforced