Parting Beads Offer Free Delivery Offer

Web Introductory Offer

Buy Any 3 Tubes Of Staff Or Parting Bead And Get 15% Discount.


If you buy any 3 tubes of staff or parting bead you will get them at the 3+ tube rate, this discount normally applies to orders of 3+ off the same staff or parting bead

FSC 10 Year Window Guarantee 50 Year Window Guarantee



Sash Cord

 

 

The Draftfix range of UK manufactured Waxed Cotton Sash Cord includes a Polypropylene core to reduce flexing. Please view the below table for the relevant working and breaking strains. Please note our working tolerance has a safety factor built in to take into account the extra stress that can occur in vary rare occasions when a Sash Weight snags.

 

 

 

Size Breaking Strain Working Tolerance
4mm 210kg -
5mm 310kg 51kg
6mm 340kg 56kg
7mm 360kg 60kg
8mm 390kg 65kg

 

 

Elongation % 30kg 40kg 50kg 75kg 100kg
4mm 1%   2.5% 4% 5%
5mm 0 1% 2% 3% 5%
6mm 0 1% 2% 2.5% 4%
7mm 0 1% 2% 2% 3.5%
8mm 0 1% 1.5% 2% 3.5%