
Residential & Commercial Waterproofing Services in Oman
Approved by Muscat Municipality, MOD & DGRP. Providing certified Combo Roof (MCRS) thermal insulation and structural waterproofing with up to 25 Years Warranty across the Sultanate of Oman.
25 Yrs
Warranty Guarantee
2013
Established in Oman
100%
Omani Owned

Professional Waterproofing & Insulation in Oman
Approved by Muscat Municipality, Ministry of Defence (MOD), and DGRP. Delivering trusted structural waterproofing and thermal insulation solutions since 2013.
About Us
Established in 2013 under Saeed Bin Masoud Group (CR: 1168449). 100% Omani owned with certified engineers and 12+ years of structural expertise.
Learn MoreCombo Roof (MCRS)
Polyurethane foam spray delivering seamless, monolithic insulation and waterproofing with cementitious screed and a 25-Year Warranty.
View SystemMembrane Systems
Heavy-duty SBS & APP torch-applied bituminous membranes, UV acrylic coatings, and basement tanking engineered for desert climate resilience.
Explore MembranesContact & Survey
Free on-site engineering evaluation, 48-hour certified flood testing, and rapid quotations across Muscat, Salalah, Sohar, and all Oman.
Book Free SurveyLeak-Free Living, Built for Oman's Climate
Water ingress silently damages structural concrete reinforcement, creates dangerous toxic mold, and degrades interior finishes. Al Sameem International combines international standard waterproofing chemistry with Oman's most experienced application engineers.
25-Year Comprehensive Warranty
Official stamped warranty certificate covering both materials and application integrity.
Up to 40% Energy Savings
High-density polyurethane foam blocks solar thermal radiation, slashing AC cooling power bills.
100% Monolithic Joint-Free Seal
Eliminates seams and cold joints where 95% of typical building roof leaks originate.
Muscat Municipality & MOD Approved
Fully accredited contractor under Saeed Bin Masoud Group (CR: 1168449).

100% Water-Tight Guarantee
48-Hour Water Flood Testing Included
Certified Waterproofing & Insulation Systems in Oman
Al Sameem International delivers state-of-the-art waterproofing systems backed by over a decade of proven track record across residential villas, commercial complexes, and government facilities in Oman.

Modern Combo Roof Waterproofing System (MCRS)
Insulation & Waterproofing in a Single Operation
Executed seamlessly by Al Sameem as a single entity. Combines structural waterproofing and superior thermal insulation using >97% closed-cell sprayed polyurethane foam with dual elastomeric protective coatings.

Torch-On Bituminous Membrane System
Modified Bitumen for High Structural Movement
High-performance SBS and APP modified bitumen membrane installed via precision torch flame welding to create a durable, puncture-resistant barrier for flat roofs, terraces, and foundations.

Liquid Acrylic UV-Reflective Roof Coating
Cool Roof Solar Heat Reduction
High-performance elastomeric liquid acrylic membrane designed for exposed roofs, metal decks, and parapets. Reflects intense solar heat, dramatically cooling roof surfaces and reducing AC loads.

Polymer Cementitious Waterproofing
Wet Areas, Sunken Slabs & Water Tanks
Two-component polymer-modified flexible cementitious slurry formulated to bond tenaciously with concrete substrates, forming an impervious water seal in subterranean and wet environments.

Basement & Sub-Structure Tanking
Groundwater & Hydrostatic Pressure Shield
Heavy-duty waterproofing barrier systems engineered to protect underground concrete structures, retaining walls, elevator pits, and foundations against aggressive groundwater and soil salts.

High-Pressure Crack Injection & Leak Repair
Instant Structural Leak Stoppage
Advanced high-pressure polyurethane and epoxy resin injection systems that penetrate deep into concrete fissures, expanding upon contact with water to permanently halt active leaks under pressure.
Need a custom site inspection or immediate leak assessment?
Al Sameem engineering specialists provide thermal moisture scanning, core testing, and detailed site audit reports throughout Oman.
Frequently Asked Questions About Waterproofing in Oman
Everything you need to know about waterproofing methods, 25-year warranty, and project execution in Oman.
What makes the Modern Combo Roofing System (MCRS) superior to traditional roofing?
How does Al Sameem provide an official 25-Year Warranty on the Combo Roofing System?
Can you stop active water leaks without hacking up bathroom tiles or basement slabs?
How does spray foam insulation reduce AC electricity bills in Oman's hot climate?
What standard testing is conducted before handing over a completed project?
Do you service clients across all governorates of the Sultanate of Oman?
Request Free Site Inspection & Quote in Oman
Prompt on-site evaluation and custom BOQ proposal from certified waterproofing engineers in Oman.

Al Sameem International L.L.C.
الصميم الدولية ش.م.م. • CR: 1168449
Saeed Bin Masoud Group
Landline & Hotlines
WhatsApp & GSM 24/7
Official Inquiries & Quotations
Office Location
Villa No 88, Way No. 4280, Al Ghubra, Muscat, Oman
Postal: P.O Box: 1289, PC: 130, Al Athaiba, Sultanate of Oman

25-Year Warranty Guaranteed
Includes compulsory 48-hour water flood test.