Browse the full range of pine mouldings at Nottage Timber Merchants for matching window boards, architraves, and decorative profiles. We supply trade and retail customers across Bridgend and South Wales, with next-day delivery available to many local postcodes.
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-65%$5.31
$1.86The Story
Pine triangle bead 21mm x 21mm x 2400mm is a triangular softwood moulding used to secure and finish glass panels within window frames. Its clean, angular profile sits neatly against the rebate, giving a sharp line that suits both painted and stained timber frames.
Specifications
| Property | Detail |
|---|---|
| Material | Pine (softwood) |
| Nominal Size | 21mm x 21mm |
| Length | 2400mm |
| Profile | Triangle bead |
| Finish | Unfinished (ready to paint or stain) |
What it's used for
- Securing single or double-glazed glass panels in timber window frames
- Finishing the junction between glass and frame in internal joinery
- Decorative edge detail on cabinet doors and furniture panels
- Replacing worn or damaged window beads during refurbishment work
Fitting and handling
Allow the bead to acclimatise in the room where it will be fitted for at least 24 hours before fixing, particularly in heated interiors, to reduce the risk of movement after installation. Fix using a suitable timber adhesive or lost-head pins, ensuring the bead sits flush against the glass without applying excessive pressure. Before painting or staining, lightly sand with fine-grit paper along the grain and apply a suitable primer to achieve a clean, lasting finish.
FAQ
What size window bead do I need for a standard timber window frame?
The 21mm x 21mm triangle bead suits most standard rebated timber window frames where the glass sits in a shallow channel. If your rebate is deeper or the glass thickness varies, measure the exposed face of the rebate before ordering to confirm the bead will cover it fully.
Can pine triangle bead be used externally?
Pine is a softwood with moderate natural durability and is best suited to internal use or external applications where it will be fully painted and maintained regularly. For exposed external glazing beads, consider treating with a suitable exterior primer and topcoat, or opt from our hardwood or oak moulding range for greater longevity.
How many lengths do I need for a standard window?
A typical single casement window of around 600mm x 900mm will require two lengths of 2400mm bead, which gives enough material to cut all four sides with minimal waste. Always add 10 to 15 per cent for mitre cuts and wastage before ordering.
Browse the full range of pine mouldings at Nottage Timber Merchants for matching window boards, architraves, and decorative profiles. We supply trade and retail customers across Bridgend and South Wales, with next-day delivery available to many local postcodes.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
Pine triangle bead 21mm x 21mm x 2400mm is a triangular softwood moulding used to secure and finish glass panels within window frames. Its clean, angular profile sits neatly against the rebate, giving a sharp line that suits both painted and stained timber frames.
Specifications
| Property | Detail |
|---|---|
| Material | Pine (softwood) |
| Nominal Size | 21mm x 21mm |
| Length | 2400mm |
| Profile | Triangle bead |
| Finish | Unfinished (ready to paint or stain) |
What it's used for
- Securing single or double-glazed glass panels in timber window frames
- Finishing the junction between glass and frame in internal joinery
- Decorative edge detail on cabinet doors and furniture panels
- Replacing worn or damaged window beads during refurbishment work
Fitting and handling
Allow the bead to acclimatise in the room where it will be fitted for at least 24 hours before fixing, particularly in heated interiors, to reduce the risk of movement after installation. Fix using a suitable timber adhesive or lost-head pins, ensuring the bead sits flush against the glass without applying excessive pressure. Before painting or staining, lightly sand with fine-grit paper along the grain and apply a suitable primer to achieve a clean, lasting finish.
FAQ
What size window bead do I need for a standard timber window frame?
The 21mm x 21mm triangle bead suits most standard rebated timber window frames where the glass sits in a shallow channel. If your rebate is deeper or the glass thickness varies, measure the exposed face of the rebate before ordering to confirm the bead will cover it fully.
Can pine triangle bead be used externally?
Pine is a softwood with moderate natural durability and is best suited to internal use or external applications where it will be fully painted and maintained regularly. For exposed external glazing beads, consider treating with a suitable exterior primer and topcoat, or opt from our hardwood or oak moulding range for greater longevity.
How many lengths do I need for a standard window?
A typical single casement window of around 600mm x 900mm will require two lengths of 2400mm bead, which gives enough material to cut all four sides with minimal waste. Always add 10 to 15 per cent for mitre cuts and wastage before ordering.
Browse the full range of pine mouldings at Nottage Timber Merchants for matching window boards, architraves, and decorative profiles. We supply trade and retail customers across Bridgend and South Wales, with next-day delivery available to many local postcodes.










