Knowledge Hub
Everything we know,
written down.
The reference guides our own glaziers use - measuring methods, glass specifications, frame comparisons, and honest diagnostics. No sales pitch.
How to Measure Your Glass for a Replacement Sealed Unit
The easy way - measure the visible pane only, send us the numbers, and we add 10mm all round so the new unit slips into the frame first time.
Repair or Replace? When Your Window Is Worth Fixing
Salesmen will always tell you to replace. We'll tell you the truth - including when your window genuinely is past saving.
Glass Types Explained: Low-E, Toughened, Laminated, Patterned
Low-E? Toughened? Laminated? Argon? Leaded? Here's what each one actually does, what it costs, and where building regs force your hand.
uPVC vs Aluminium vs Timber: Which Window Frame Wins?
Each frame material has a sweet spot and a weakness. Here's how they really compare - cost, lifespan, looks, thermal performance and resale value.
Misty vs Blown vs Cracked: What's Actually Wrong With Your Window?
Five different problems get called 'a broken window'. Each has a different cause, fix and price. Here's how to tell them apart.