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Made of polypropylene.
Gives a firm position of the glazing units in the rebate and thus provides a stable and square element.
Used to tighten the glazing units.
Cross flutings on the top surface of the block prevent discoloration.
Suitable for timber and PVC windows.
Sold in boxes containing 1000 each.
Gives a firm position of the glazing units in the rebate and thus provides a stable and square element.
Used to tighten the glazing units.
Cross flutings on the top surface of the block prevent discoloration.
Suitable for timber and PVC windows.
Sold in boxes containing 1000 each.
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