Selleys Special Putty is a superior linseed oil-based putty for glazing timber frame windows and door panels. Suitable for face glazing (front of glass), heel seal (behind glass) and bedding glazing beads (wooden strip retaining glass).
Easy to use - can be applied by hand or with a putty knife
Please contact your store to confirm avaliability, as some stores may have a limited range.
Rebate and grooves should be clean and dry, rigid, free from distortion, true and square. Glass should be positioned in the frame so that a minimum 1.6mm clearance exists between the glass and the frame.
Rebate and grooves should be of a size which allows adequate edge cover and putty volume. Recommended rebate depths: 10mm for 3-4mm glass and 15mm for 5-8mm glass. Rebate width should allow for recommended 12mm of front putty.
Remove any surface skin from the putty before use. Soften putty with fingers. Apply to rear of rebate.
Install glass, squeezing out putty to approximately 2mm between glass and frame. Fix glass with pins and apply putty to face up front. If using wooden glazing beads, apply additional putty in rebate. Install bead squeezing out putty to approximately 2mm thickness between glass and bead.
Putty can be applied by hand or with a knife. A few drops of linseed oil on the hands or putty knife will make for easier working.
Special Putty should be painted within 2-4 weeks of completion of glazing, at least 1-2mm above the putty to avoid water seepage due to possible shrinkage over time. This will help to prevent potential damage such as timber rot. Inspect the putty every 6-12 months for signs of shrinkage and paint or replace putty if needed.
If being used in external applications it is not recommended for use with timber stains, timber oils and clear finishes.
Not recommended for use where structural movement may occur.
Not recommended for use in metal framed windows.
Not suitable for filling of nail holes or splits in timber. Use Selleys Woodfilling Putty for this.
Not recommended for use with timber stains,timber oils or clear varnish finishes in exterior applications.
Where special glass is used, such as double-glazed units, heat-absorbing, and ceramic-enamel glass, it should be glazed in accordance with the glass manufacturers requirements.
Do not use kerosene, mineral turps or any other material to aid working or change the properties of the putty.
Putty should be used as supplied. Extreme variations in working temperature or long periods of storage under hot or cold conditions can cause a variation in properties.
This can be overcome by "working up" the putty in the hands to achieve smooth, pliable consistency.
Allow putty to skin over before applying paint. Paint between 2 and 4 weeks after application. Apply oil-based undercoat & finish with either water or oil-based paint (see limitations).
Wind loadings in exposed areas or on large areas of glass (over 2m2) may cause "pumping" of the putty. In these cases it is more appropriate to use elastomeric sealant in place of putty.
Bead glazing should be used for glass sizes over 1.25m2
Oil may separate in large containers, if stored for long periods. This needs to be 'worked' back into the putty.
Methylated spirits will aide in removing uncured product.
Clean up cured product by sanding or scraping.
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