Aerial view of a residential compound after foam insulation of all roofs

Wisam Tanmiyah Company · Approved insulation contractor, Riyadh

Roof and tank insulation that stops leaks and cuts heat for years

Waterproofing, thermal insulation and protective coatings: polyurethane foam, polyurea, bituminous membranes, cementitious systems and epoxy floors. 1,500+ projects for government entities, developers and main contractors, certified materials, documented testing and a written warranty.

Chat on WhatsApp Call +966563290978

Free site inspection
Warranty up to 15 years
Photo-documented work

1,500+projects executed

10+technicians & engineers

15years warranty on full systems

8regions across the Kingdom

Services

11 insulation services under one roof

Every system has its right place, we choose after the inspection, not before.

Two technicians spraying foam on a large concrete roof

Polyurethane spray foam

Complete SPF system, screed, foam, reflective acrylic and geotextile. Thermal and waterproofing in one seamless layer.

Spraying polyurea inside a concrete basin

Polyurea coating

Sets in seconds, 300–450% elongation, high chemical and impact resistance, for tanks and industrial roofs.

Residential roof completed with foam and reflective acrylic

Roof insulation

Combined waterproofing and thermal systems for concrete and metal roofs, selected after inspecting the roof.

XPS thermal boards over the waterproofing layer

Thermal insulation

Cut top-floor heat and cooling consumption by 25–40% with spray foam, XPS boards or reflective coatings.

Torch-applying bitumen rolls on a building roof

Bitumen membranes

SBS torch-applied and self-adhesive membranes for roofs under tiles, foundations and basements.

Waterproofing

Liquid, membrane, cementitious and polyurea systems for roofs, walls, foundations and wet areas.

Bathroom & kitchen waterproofing

A continuous layer under tiles, turned up the walls, with sealed drains and a 24-hour flood test.

Flexible cementitious waterproofing of a concrete basin

Pool waterproofing

Flexible cementitious or polyurea systems for new and existing concrete pools, with a fill test.

Water tank lined with glossy blue polyurea

Water tank waterproofing

Cleaning, crack repair and potable-safe lining: cementitious, polyurea or epoxy.

Cementitious waterproofing

Flexible two-component systems that bond with concrete, for tanks, pools and wet areas.

Glossy epoxy car park floor with line markings

Epoxy flooring

Durable, easy-clean floors with lane and safety markings for warehouses, factories and car parks.

Sectors we serve

From single villas to large government projects

Government & semi-government
Real-estate developers & compounds
Contractors & engineering firms
Hospitals & healthcare
Schools & education buildings
Warehouses & factories
Water tanks & utilities
Private villas & homes

How we work

Four clear steps from inspection to handover

1
Inspect & diagnose
We visit or start from your WhatsApp photos and find the cause before proposing any material.
2
Written quotation
System, thickness, preparation and warranty listed line by line.
3
Prepare & apply
Cleaning, crack and detail treatment, then layers in the correct sequence.
4
Test & hand over
Flood test where needed, photo documentation and a warranty certificate.

Partners