● System 08 of 12 · Leak repair
Waterproofing Over Tiles: Leak Repair
A clear coating over existing tiles and grout that stops a leaking balcony or shower without lifting a tile. The tiles must be firmly fixed and the grout sound.
No tile removalLeak fixed for up to 5 years
5products
0CAD details
Up to 5 yrleak fix, from the data sheetleak fix
● The build-up
Four products, in the order of the job.
Each layer with the one figure that matters, from its data sheet. Tap a layer to see why it is there.
01
Stops a live leakACTFLEX HYDROPLUGSets in 2 to 4 minutes
Rapid-setting plug pressed into a chase cut square, at least 20 x 20 mm, never a V. Final set is within 10 minutes. A 5 kg pail does about 6 m of chase.
02
Seal the junctionsACTFLEX MS PROTack-free in 15 minutes
Seals perimeter junctions and around penetrations before the coating. 600 mL sausage, curing about 2 mm a day.
03
Polyurethane sealantACTFLEX 75FC600 mL sausage · 3.5 mm cure in 24 h
Polyurethane joint sealant for movement joints and junctions.
04Clear coating over the tilesACTFLEX 400 CLEAR3 thin coats · 1 kg ≈ 3 m²
Single-pack clear coating with no primer. 0.2 mm dry over the tiles and 0.5 mm over grout and joins. At least 4 hours between coats, all coats within 48 hours. Keep water off for 3 to 5 days; full cure takes 5 to 7.
How much do I need?ACTFLEX 400 CLEAR: 1 kg covers about 3 m², 3 kg about 9 m² and 7 kg about 21 m², over three coats.
Calculate →● Every product in this system
Leak repair: 5 products.
TDS and SDS open straight from the card.
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Each FORSPEC detail is modelled in 3D so the site team sees the build-up for leaking balcony & shower repair before anyone opens a pail. Send the job and we model yours.
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Send us your job →● Questions we get
Straight answers, from the TDS.
Can you waterproof over existing tiles?
ACTFLEX 400 CLEAR goes over existing tiles in three thin coats, with no primer. The tiles must be firmly fixed and the grout sound: it does not fix broken or loose tiles, loose grout or cracks.
How long does the repair last?
The ACTFLEX 400 CLEAR data sheet states the leak is fixed for up to 5 years.
How much 400 CLEAR do I need?
1 kg covers about 3 m², 3 kg about 9 m² and 7 kg about 21 m², over three coats.
How long before the shower or balcony can be used?
Keep water off for 3 to 5 days after the last coat. Full cure takes 5 to 7 days.
How long between coats?
At least 4 hours, with all three coats on within 48 hours. Apply above 10°C.
● Go deeper
Drawings, data sheets, jobs and news.
DrawingsCAD details for this systemPDF and DXF to download→Data sheetsTDS, SDS and test reportsEvery document for this system→CalculatorACTFLEX 400 CLEAR calculatorArea in, packs out→SpecifySpec clause for this systemClause, drawings, data sheets→Projects2 buildings with these productsWhere this system has been used→
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Twelve systems. One warranty.
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