Technical guides
Blog
Application notes and system guides on waterproofing and insulation for Pakistan—written for contractors, consultants, developers, and homeowners.
Product guides
Deep dives on individual Petroseal products—specification, installation, and typical applications.
Product guide
Waterproofing Companies and Membrane Manufacturers in Pakistan (2026)
PetroGrip SBS
How Pakistani waterproofing contractors, APP/SBS manufacturers, and international brands compare—and where Petroseal Enterprises fits as a Lahore-based manufacturer with project-backed systems.
14 min read · September 2026
Product guide
APP vs SBS for Pakistan’s Climate (Roofs and Below Grade)
PetroGrip APP
Heat, UV, monsoon recharge, and thermal movement—when PetroGrip APP caps beat SBS on Punjab roofs and when SBS is mandatory below grade.
12 min read · September 2026
Product guide
Torch-Applied Waterproofing: PetroGrip Site Practice
PetroGrip APP
How PetroGrip torch-applied bitumen membranes are specified, primed, and welded on roofs and podiums—with quality checks that protect your warranty.
12 min read · May 2026
Product guide
Self-Adhesive Bitumen Membrane for Bathrooms and Terraces
PetroSelfGrip
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.
11 min read · May 2026
Product guide
DPC Membrane for Rising Damp Control in Pakistan
PetroDPC
Stop capillary moisture in brick and block walls with PetroDPC self-adhesive rolls—widths 4.5", 9", and 13", 15m length, peel-and-stick installation at plinth level.
7 min read · May 2026
Product guide
How to Select a Basement Waterproofing System in Pakistan
PetroGrip SBS
A specification workflow: water table, access, joint strategy, and when to choose PetroGrip SBS, double-layer SBS, or cementitious remediation.
13 min read · September 2026
Product guide
How Hydrostatic Pressure Affects Basement Waterproofing
PetroGrip SBS
Head pressure, seasonal recharge in Punjab, lap design, and why PetroGrip SBS double-layer systems exist for sustained groundwater loading.
10 min read · September 2026
Product guide
Positive-Side vs Negative-Side Waterproofing (Basements & Tanks)
PetroGrip SBS
Where the membrane or coating sits relative to water pressure—and when PetroGrip SBS on the outside beats internal injection or coating remediation.
12 min read · September 2026
Product guide
3mm vs 4mm Waterproofing Membrane: When to Specify Each in Pakistan
PetroGrip SBS
Thickness selection for PetroGrip APP and SBS torch membranes—substrate condition, traffic, double-layer basements, and what 3mm or 4mm actually changes on site.
11 min read · September 2026
Product guide
Raft-to-Retaining-Wall Waterproofing Detail
PetroGrip SBS
Continuity at the horizontal–vertical junction: reglets, fillets, lap direction, and PetroGrip SBS sequencing on Pakistani basements.
10 min read · September 2026
Product guide
Pile Head Waterproofing at Raft Level
PetroGrip SBS
Sealing pile cut-offs where raft membrane meets driven or bored piles—collars, continuity, and PetroGrip SBS detail strategy.
9 min read · September 2026
Product guide
Construction Joint vs Expansion Joint Waterproofing
PVC Waterstoppers
Waterstops, movement capacity, and membrane termination—Petroseal PVC profiles with PetroGrip SBS field sheets.
10 min read · September 2026
Product guide
Polyurea vs Polyurethane Waterproofing: Chemistry, Speed, and Use Cases
Polyurea Coating
When Petroseal polyurea suits tanks and pools—and when polyurethane coatings fit terraces and industrial decks with different cure and UV behaviour.
11 min read · September 2026
Product guide
Best Waterproofing System Under Swimming Pool Tiles
Polyurea Coating
Primary shell lining options—Petroseal polyurea and compatible systems—substrate prep, DFT, and tile compatibility before finish.
11 min read · September 2026
Product guide
Polyurethane Roof and Terrace Coatings in Pakistan
Polyurethane Chemical Coatings
When liquid-applied polyurethane chemical coatings beat sheet membrane—multi-coat UV systems, complex geometry, and terrace detailing for Pakistani decks.
7 min read · June 2026
Product guide
Polyurea Fast-Curing Industrial Lining
Polyurea Coating
Return-to-service speed, chemical resistance, and spray QA for polyurea protective coating on tanks, pipelines, and containment structures in Pakistan.
11 min read · June 2026
Product guide
HDPE Geomembrane for Dam and Canal Lining in Pakistan
HDPE Geomembrane
Liner selection, geotextile cushion layers, weld testing, and Petroseal supply experience on major hydropower and dam civil works nationwide.
8 min read · June 2026
Product guide
HDPE Geocell for Dam Slopes and Embankments
HDPE Geocell
Cell depth, infill selection, and anchoring on steep dam faces—HDPE geocell as part of Petroseal geosynthetic packages on hydropower civil works.
7 min read · June 2026
Product guide
Geogrid Soil Reinforcement on Dam and Heavy Civil Fill
Geogrid
Basal stability, tensile strength selection, and overlap discipline for polymer geogrid on approach roads and reinforced earth near lined zones.
6 min read · June 2026
Product guide
Geotextile for Geomembrane Protection and Filtration
Geotextile
Mass per unit area, cushion design under HDPE liner, and filtration blankets on dam toes and canals—non-woven geotextile from Petroseal.
6 min read · June 2026
Product guide
PVC-Liner (PLC) Flexible Geomembrane
PVC-Liner (PLC) Geomembrane
Weldable PVC geomembrane for roofs, tanks, and canals—when flexibility and seam welding beat HDPE stiffness on confined details.
6 min read · June 2026
Product guide
LLDPE Geomembrane for Ponds and Irrigation
LLDPE Geomembrane
Higher elongation on uneven ground—LLDPE liner selection for farm ponds, irrigation reservoirs, and substrates where settlement is expected.
6 min read · June 2026
Product guide
PVC Waterstops for Concrete Joints in Pakistan
PVC Waterstoppers
Center bulb, dumbbell, and kicker profiles—installing PVC waterstops during pour for watertight basements, tanks, and tunnels.
6 min read · June 2026
System guides
Compare build-ups, modifiers, and multi-product assemblies for common project types.
System guide
APP vs SBS Bitumen Membrane: Which PetroGrip System Fits Your Project?
Compare PetroGrip APP and SBS torch-applied membranes—modifier chemistry, surfacing options, and where each system belongs in roof and below-grade build-ups across Pakistan.
12 min read · May 2026
System guide
Roof Insulation with XPS and PUF: Green Insulation and PetroGrip Waterproofing
Compare XPS foam boards and polyurethane (PUF) insulation for Pakistani roofs—thermal performance, build-up sequence with PetroGrip membranes, and Green Insulation as Petroseal's sister concern.
8 min read · May 2026
System guide
Basement Waterproofing with Bitumen Membrane Systems
Design and install basement waterproofing with PetroGrip SBS torch membrane and PetroSelfGrip sheets—substrates, laps, protection boards, and Lahore-manufactured systems for nationwide projects.
14 min read · May 2026
System guide
Sheet Membrane vs Liquid Waterproofing: Selection for Pakistani Sites
When PetroGrip torch sheets win on laps and thickness control—and when polyurethane or polyurea liquids suit complex geometry, tanks, and details.
11 min read · September 2026
System guide
Why Swimming Pools Leak After Tiling (Pakistan)
Failure paths: substrate movement, bond breaker gaps, pipe entries, and missing primary waterproofing before tile—plus how Petroseal pool systems should be sequenced.
12 min read · September 2026