Stormguard 25 m Black UPVC Rubber Door and Window Seal Replacement

Stormguard Rubber UPVC Replacement Seal for Door and Window Black 25 m.
Drafts and leaks from UPVC windows and doors are a sure sign that your seal may be worn or failing. Over the years gaskets lose their flexibility, start to shrink and even disintegrate. This replacement UPVC seal by Stormguard is designed to fit virtually all UPVC windows and doors, and will save you money and energy once installed. Stormguard bubble seal is supplied in a convenient 25 metre pack size in a tub.
Please note: Before ordering, please check that the sizes shown in the diagram correspond to the seal you want to replace.
Features: Seals gaps of 3-5 mm (gap between frame and sash when closed). Fits grooves between 3.2 mm and 4 mm wide. Fixes into the existing groove of the frame, no gluing is required. Replaces worn seals around UPVC/PVC window and door frames. Frame seal. Material: Polypropylene foam thermoplastic elastomers (TPE). Length: 25 m. 1 x black waterproof seal.
Package includes:
1 x 25 m black replacement seal.
How can I check that the seal will fit?
Before ordering, just pull a small piece of seal away from the frame/sash and check that the size matches the size diagram shown in the photos above.
Note: Some joints are coextruded and cannot be replaced as they are moulded into the frame.