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Kiilto Lattiakaivovahvike

Fibre-reinforcement sheet for reinforcing and sealing floor drains. Used with Kiilto Kerafiber waterproofing membrane.

Package Size

EAN Code

2 x 30 x 30 cm 6411510335911
Package Size 2 x 30 x 30 cm
EAN Code 6411510335911



Density/specific weight

approx. 40 g/m



Package sizes

30 x 30 cm reinforcement sheet pair

Substrate humidity

< 90 % RH

Temperature resistance when dry

0–70 °C


Can be stored unopened, above +1 °C, in a dry place protected from light, for 1 year.

Instructions for use

Ensure the tightness of the floor drain inlet by installing two fibre-reinforcement sheets diagonally. First, place one fibre-reinforcement sheet on the floor and cover it with the waterproofing membrane. Immediately press the second sheet diagonally on the first one and apply a new layer of the waterproofing membrane. Apply waterproofing membrane around the floor drain on an area of 40x40 cm, turn the pair of fibre-reinforcement sheets over and place them on the drain.

When the waterproofing membrane is dry, cut a hole in the middle of the drain that is approx. 40 mm smaller than the drain's outside diameter. Ensure that the sheet’s edge covers the gasket inside the drain.

Environment and safety

Avoid unnecessary skin contact and exposure with the fresh product, use safety gloves. Refer to material safety data sheet. For more information about the product and package disposal, visit