Measure guides
- uPVC Window Mechanisms: Friction Stays vs Espags (and How to Measure Each)
Which uPVC window part does what, how to tell whether the friction stays or the espag has failed, and exactly what to...
- How a Bubble Gasket Sample Pack Helps You Match & Replace Window Seals
A Bubble Gasket Sample Pack makes replacing window seals simple. Test, match, and replace old gaskets to stop draughts, improve insulation, and...
- Are uPVC Window Handles a Standard Size? What We Actually Sell
Partly. Espag window handles almost always have 43mm screw centres, but the spindle length varies. Cockspur handles have no standard, with three...
- What Is An Espag Window Handle?
An espag window handle is a popular type of handle fitted to modern uPVC double-glazed windows. It operates a multi-point locking system...
- How to Identify Your uPVC Multipoint Door Lock
Identify your uPVC multipoint door lock: measure the PZ and backset, find the brand, check the locking points, and find out whether...
- What is a Cockspur Window Handle?
A cockspur window handle is a simple yet effective locking mechanism often found on older uPVC and aluminium windows. Recognisable by its...
- How to Measure a Letterbox: 10 or 12 Inch? (UK Size Guide)
Most uPVC and composite door letterboxes are 10 or 12 inch. Measure the outside plate (about 265mm or 305mm) and the door...
- How to Measure a Euro Cylinder Lock (UK Size Guide)
How to measure a euro cylinder lock in 3 steps, how to read your size (internal × external), how far a cylinder...
- Split Spindle vs Single Spindle: How to Tell Which Your uPVC Door Has
With a single spindle, either handle opens the door. With a split spindle, the outside handle lifts to lock but won't open...
- How to Identify & Measure uPVC Door Handles: Type A vs B, PZ & Screw Centres
Most uPVC doors take a 92mm PZ handle, but the screw centres vary: about 4 in 10 are 122mm and 1 in...
- How to Measure an Internal Door Latch: 64mm vs 76mm (UK Size Guide)
UK internal door latches come in two sizes, 64mm and 76mm. Measure from the door edge to the centre of the handle:...
- How to Identify Your uPVC Window Handle Type
Identify your uPVC window handle (espag, cockspur or tilt and turn), check the spindle length, screw centres and handing, and replace it...