Waterproofing system
Self-Adhesive Bitumen Membrane Systems
Self-adhesive membrane systems use SBS-modified bitumen sheets with release film for cold application on primed substrates. PetroSelfGrip (Elastogrip PL-150 / PL-200 grades) suits bathrooms, terraces, and confined detailing where torch work is restricted.
System build-up
- Smooth dry substrate
- PETRO-PRIMER GRIP
- Self-adhesive membrane with specified overlaps
- Protection / tiling as designed
Substrate
- —Internal wet-area screeds
- —Selected external details per design
Critical details
- —3 inch side laps / 4 inch end laps (per TDS)
- —Corner patches
- —Air-pocket free bonding
Limitations
- —Store rolls vertically in dry shade per TDS
Installation sequence
- Prime
- Cut and dry-fit
- Peel and bond
- Roll firmly
- Finish
Related applications
- Bathroom Waterproofing Pakistan
Bathroom and wet-area waterproofing creates a continuous barrier under tiles at floors, shower niches, and upstands. Pet…
- Waterproofing Company Lahore
Petroseal Enterprises manufactures and installs waterproofing systems for roofs, basements, foundations, swimming pools,…
Related products
- PetroSelfGrip
Cold-applied peel-and-stick bitumen membrane in 1.5mm and 2mm.
- PetroDPC
Damp-proof course bitumen rolls for walls, plinths, and foundations.
Technical downloads
- Elastogrip PL-150 / PetroSelfGrip 1.5 mm TDS
SBS self-adhesive modified bituminous membrane — cold-applied peel-and-stick grade for wet areas and detailing.
- Elastogrip PL-200 / PetroSelfGrip 2 mm TDS
SBS self-adhesive modified bituminous membrane — 2 mm grade. Verify PDF content before relying on tabulated values.
Technical guides
- Self-Adhesive Bitumen Membrane for Bathrooms and Terraces
PetroSelfGrip delivers flame-free waterproofing for bathrooms, terraces, and detail zones—when to use 1.5mm vs 2mm and how to bond correctly on Pakistani substrates.
- Torch-Applied Waterproofing: PetroGrip Site Practice
How PetroGrip torch-applied bitumen membranes are specified, primed, and welded on roofs and podiums—with quality checks that protect your warranty.
- Positive-Side vs Negative-Side Waterproofing (Basements & Tanks)
Where the membrane or coating sits relative to water pressure—and when PetroGrip SBS on the outside beats internal injection or coating remediation.
FAQ
- PL-150 vs PL-200?
- PL-150 aligns with 1.5 mm grade applications; PL-200 with 2 mm. Select per design and TDS.