01
Window sill waterproofing
Check the sill substrate, cracks and finishing details to arrange repairs and waterproofing layers.
02 / WATERPROOFING
Waterproofing
Understand the seepage. Plan the right response.
Assess visible signs and substrate conditions around window sills, terraces, corners and joints to plan appropriate waterproofing and repairs.
Understand the problem. Then choose the method.
The visible stain may not be where water enters. We consider photographs, timing, weather and site conditions, with thermal imaging and moisture readings where appropriate, before proposing the work.
SCOPE OF WORK
Waterproofing for the location and substrate.
Choose the work your property needs.
The final scope is confirmed after a site assessment.
02
Roof and terrace waterproofing
Treat corners, junctions and waterproofing layers according to the substrate and drainage of the roof or terrace. The image illustrates roof waterproofing.
03
Window edges and joints
Assess ageing joints and possible water paths, then plan sealing and repairs around the materials and conditions on site.
04
Cracks and loose substrates
Remove loose material, clean and repair the surface to prepare a suitable substrate for waterproofing.
05
Repairing damaged finishes
Arrange painting and finishing after the relevant problems and substrate have been addressed.
06
External access and work at height
Assess scaffolding or other means of access according to the work location, then confirm the arrangements required.
ATTENTION TO THE DETAILS
Read the visible signs. Build a picture of the site.
Supporting tests help gather information, but findings must be considered alongside the weather, materials, location and use. A thermal image alone cannot confirm the source of seepage.
- Record when the problem occurs and the weather conditions
- Compare marks on walls, window edges and joints
- Use thermal and moisture readings where appropriate
STEP BY STEP
Make each step clear.
From the initial assessment to work on site,
keep the scope, programme and responsibilities clearly defined.
- 01
Understand the site
Assess seepage marks, possible water paths and working conditions.
- 02
Prepare the substrate
Clean and protect surrounding areas, and address loose material and cracks.
- 03
Apply waterproofing
Arrange primers, waterproofing layers and finishing in accordance with the selected materials.
- 04
Check and restore
Inspect the work area, restore finishes where needed and arrange follow-up.
WINDOW SILL / 5 STEPS
Window sills: from substrate to finish.
Swipe to explore the work stages
Work illustration 01Prepare the area
Review the sill condition, define the work area, and clean and protect surrounding surfaces.
Work illustration 02Remove damaged material
Remove loose material and debris, then confirm the substrate is suitable for the next stage.
Work illustration 03Repair cracks
Inspect cracks and junctions, and arrange repairs suited to the substrate and selected materials.
Work illustration 04Treat and waterproof
Install the waterproofing system, restore the substrate where required and allow for the specified curing.
Work illustration 05Inspect and finish
Check the work area and arrange painting and finishing when the substrate is ready.
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ROOF & TERRACE / 3 STEPS
Roof and terrace waterproofing, with care at every junction.
Swipe to explore the work stages
Work illustration 01Prepare and prime
Prepare the substrate and apply the base layer required by the selected waterproofing system.
Work illustration 02Treat corners and joints
Inspect corners, cracks and material junctions, arranging repairs and reinforcement where required.
Work illustration 03Apply the waterproof layer
Apply the selected system, allow for curing and carry out completion checks.
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Images illustrate the work stages. Actual methods and materials depend on the substrate, site conditions and selected waterproofing system.
BEFORE WE BEGIN
Questions you may have.
What photographs should I provide?
Include close-ups of the affected area, a wider view of the wall or sill, and marks after rain. Explain when the problem appeared and whether repairs have been attempted.
Can thermal or moisture readings identify the source directly?
They provide supporting information and must be considered with site conditions, weather and construction details. We assess the inspection approach needed for each case.
Is scaffolding always required?
This depends on the location, scope and available access. We will explain the arrangements after assessment.
How are materials and warranty terms decided?
They depend on the substrate, location and selected system. The scope, materials and any applicable warranty terms are those stated in the formal quotation and project documents.
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