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Articles that explain what is behind the systems
Engineering explanations of technologies, specifications and common mistakes — written to help you understand the options before an inspection, and linked to the systems, problems and comparisons.
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- Choosing a system4 min read
How to choose a waterproofing system: the questions that decide it
A practical framework: the water source and pressure, the accessible side, exposure and movement, the substrate, the details and the documents to ask for.Updated Read the article - Below grade3 min read
Basement waterproofing types: BS 8102 Types A, B and C
Barrier, structurally integral and drained protection, the grades 1, 2 and 3 of the space, and when to combine types.Updated Read the article - Roofs3 min read
Roof waterproofing systems compared: sheets, liquids and inverted roofs
Bituminous and synthetic sheets, liquid membranes and inverted roofs: application, seams, exposure and where each fits.Updated Read the article - Concepts2 min read
Waterproofing, damp-proofing and water resistance: what is the difference?
Waterproofing, damp-proofing, water resistance and vapour barriers — and how to match the protection to the water load.Updated Read the article - Roofs3 min read
Why liquid PU waterproofing fails: the common causes
Moisture, primer, thickness, recoat windows, weather and UV protection: why PU waterproofing fails, how to read the symptoms and how to prevent them.Updated Read the article - Water tanks2 min read
Waterproofing drinking-water tanks: approvals, curing and testing
Drinking-water contact approvals, the systems used inside tanks, preparation, curing, fill testing and common mistakes.Updated Read the article - Below grade2 min read
Positive-side vs negative-side waterproofing
What the positive and negative sides are, why pressure pushes a system onto or off the structure, which systems work on each side and the limits of internal treatment.Updated Read the article - Joints3 min read
Construction joints in concrete: why they leak and how they are sealed
What a construction joint is and why it leaks, waterstops, swelling strips and injection hoses, joint preparation and repairing a leaking joint.Updated Read the article - Joints3 min read
Expansion joints explained: movement, sealants and joint systems
Why buildings need joints, the anatomy of a sealed joint, two-sided adhesion, choosing the sealant, joints in traffic areas and how they fail.Updated Read the article - Below grade2 min read
Crystalline waterproofing: admixture or surface-applied coating?
How crystals work, admixture versus surface coating, what crystalline technology does not do, and how the result is checked.Updated Read the article - Floors3 min read
Why epoxy floors fail: peeling, blistering and cracking
Slab moisture, a weak surface, the wrong system and mixing and weather on the day: why epoxy floors fail and how to read and prevent it.Updated Read the article - Concrete2 min read
Concrete carbonation: how it corrodes reinforcement and how it is assessed
What carbonation is and what speeds it up, its signs, how its depth is measured, how it differs from chlorides, and the principles of repair and protection.Updated Read the article - Thermal insulation3 min read
Thermal insulation materials for roofs and walls: XPS, EPS and PU foam
Where heat comes in, how insulation works (λ, R and U), XPS, EPS, PU foam and PIR boards compared, the right position and the Saudi Building Code requirements.Updated Read the article
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