Professional Damp Proofing Services in Bristol & South Gloucestershire

Damp problems can completely ruin a property... At JNS Plastering Services, we provide comprehensive, long-lasting damp proofing solutions...

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Structural waterproofing and damp proofing tanking slurry applied to an exposed stone wall in an old cottage kitchen renovation in Bristol.

The Plasterer’s Advantage

A company you can Trust!

Most specialist damp proofing companies only do half the job. They hack off your plaster, inject a damp proof course (DPC), and leave you with raw brickwork and a mess, forcing you to find a separate plasterer to finish the room.

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At JNS Plastering Services, we handle the entire process from start to finish. We diagnose the root cause of the moisture, strip away the salt-contaminated plaster, inject your new heavy-duty waterproof barriers, and re-plaster the walls back to a glass-smooth finish ready for paint.

Our Core Damp Proofing Services

Professional Solutions for Bristol & South Gloucestershire Homes

Rising Damp Treatment & Salt-Blown Plaster Fixes

Rising damp occurs when ground moisture travels up through porous brickwork, carrying destructive structural salts that ruin standard plaster. At JNS Plastering Services, we inject high-quality chemical Damp Proof Courses (DPC) into the mortar line to create an impenetrable waterproof barrier. We then hack off the salt-blown plaster completely, treat the raw masonry, and re-plaster using specialized salt-retardant backing mixes before applying our signature smooth finish.

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Penetrating Damp & External Rendering

Whether it’s failing mortar joints, cracked brickwork, or old, damaged external render, wet British weather can easily push its way into your living space. Ian and Lewis stop penetrating damp at the source. We repair the external structural faults and apply weather-resistant external rendering to seal your property tightly against future rainfall, ensuring your internal walls stay warm, dry, and protected.