Knowledge base
Everything about custom glass.
Practical guides on measuring up, comparing glass types, applications and maintenance — written from hands-on experience.
Glasgewicht berekenen
Hoeveel weegt jouw glasplaat? Vul de maten in en zie het gewicht plus advies over tillen.
U-value calculator
Calculate the insulation value of single, double or triple glazing — choose coating, cavity and gas.
Choosing & ordering glass
Choosing, measuring, processing and ordering — everything to order custom glass with confidence.

What glass thickness do I need?
Which glass thickness per application — windows, shower wall, table…
14 min read · 14 jul 2026Read more →
Calculating glass weight: how much per m²?
Work out glass weight with the rule of thumb: 2.5 kg per m² per mm of…
12 min read · 14 jul 2026Read more →
Measuring glass: how to get the size right
Measuring glass correctly: the difference between rebate size and…
12 min read · 14 jul 2026Read more →
Glass edges: sharp cut or flat polished?
The edge finish decides how safe and how smart your glass looks. A…
8 min read · 13 jul 2026Read more →
Frosted glass or laminated with a matt interlayer?
Etched single glazing versus laminated glass with a matt interlayer…
3 min read · 29 jun 2026Read more →
What does custom glass cost?
What does the price of custom glass depend on? Glass type, thickness…
2 min read · 25 jun 2026Read more →Insulation & safety
HR++, triple, vacuum glass, tempered and laminated glass, U-value and safety standards.

Safety glass under 85 cm: when is it necessary?
When do you need safety glass? The 85 cm rule explained, tempered vs…
13 min read · 14 jul 2026Read more →
Vacuum glass vs HR++ glass: which is better for your home?
Vacuum glass or HR++ glass? Compare on insulation, thickness, price…
13 min read · 14 jul 2026Read more →
Vacuum glass in practice: what does it really look like?
Small dots or a cap in your vacuum glass? Find out what micro spacers…
11 min read · 14 jul 2026Read more →
U-value of glass: what does it mean and why is it important?
The U-value of glass explained: what it means, which values belong…
12 min read · 14 jul 2026Read more →
Triple glazing: when is it smart and when not?
Triple glazing explained: when it makes sense (new build and new…
12 min read · 14 jul 2026Read more →
Compare insulating glass: HR++, triple or vacuum glass?
HR++, triple and vacuum glass compared for insulation, thickness…
14 min read · 14 jul 2026Read more →
ISDE subsidy for insulating glass: this is how it works
ISDE subsidy for HR++, triple and vacuum glazing: amounts, U-value…
11 min read · 14 jul 2026Read more →
HR++ glass: what is it and when do you choose it?
HR++ glass explained: structure, U-value and the difference with…
13 min read · 14 jul 2026Read more →
Soundproof glass: what really works?
How soundproof glazing really works: asymmetric build-up, laminated…
13 min read · 14 jul 2026Read more →
Laminated glass: what it is and when to use it
Laminated (VSG) safety glass explained: build-up (33.1, 44.2), how it…
16 min read · 14 jul 2026Read more →
Toughened or laminated safety glass: which one?
Toughened (ESG) versus laminated (VSG) safety glass, per situation…
12 min read · 14 jul 2026Read more →
Tempered glass: what is it and when do you use it?
Toughened (ESG) safety glass explained: far stronger than ordinary…
12 min read · 14 jul 2026Read more →
Fire-resistant glass: when do you need it?
Fire-resistant glass explained: when you need it, the classes E, EW…
16 min read · 14 jul 2026Read more →
Choosing balustrade glass: which glass do you need?
Balustrade glass for balconies, stairs or mezzanines: why laminated…
15 min read · 14 jul 2026Read more →Renovation & frames
Replacing existing glass, listed buildings, glazing beads and insulation in old frames.

Glaslat maten en typen: welke lat heb je nodig?
Alle glaslat- en neuslattypen met hun nettomaat en sponning: A1, C2…
6 min read · 10 aug 2026Read more →
Beglazingsblokjes: welke kleur en maat heb je nodig?
Stelblokjes, tunnelblokjes en keggen: de kleurcodering per dikte…
4 min read · 10 aug 2026Read more →
Glass ventilation grille: when do you need it?
When a vent in the glazing is required for HR++ and insulating glass…
14 min read · 14 jul 2026Read more →
Nose beads and cover beads: what are they?
Nose beads and cover beads explained: drainage for timber frames and…
17 min read · 14 jul 2026Read more →
Heritage glass or vacuum glazing for old frames?
Monument glass or vacuum glass for old window frames? Difference in…
14 min read · 14 jul 2026Read more →
Wood rot due to poor glazing: recognize and solve
Rot around windows usually starts with failing sealant, beads or…
15 min read · 14 jul 2026Read more →
Replacing glazing beads with insulating glass
When new glazing beads are needed, nose bead versus cover bead, per…
14 min read · 14 jul 2026Read more →
Replacing stained glass: what options are there?
Keep stained glass and insulate better: restore it, set it into…
15 min read · 14 jul 2026Read more →
Replacing single glass: what are your options?
Replacing single glazing with HR++, vacuum or triple glazing: your…
14 min read · 14 jul 2026Read more →
Replacing double glazing: when is it necessary?
When should you replace double glazing? Recognize old or leaky double…
15 min read · 14 jul 2026Read more →
Does thicker insulating glass fit in my existing frame?
Swapping single or old double glazing for HR++, triple or vacuum…
10 min read · 14 jul 2026Read more →Products & applications
Shower screen, mirror, table top, balustrade, doors and more — explained per application.

Glass windshield: which glass do you choose?
Glass windbreak for terrace, balcony or roof terrace: which safety…
14 min read · 14 jul 2026Read more →
Glass shelf: which thickness and fixing?
Which thickness per span and load, why toughened glass, which…
15 min read · 14 jul 2026Read more →
Replacing display cabinet glass: what to know
A new door, shelf or sliding pane for a display cabinet: which…
15 min read · 14 jul 2026Read more →
Ordering a custom mirror: what to look out for
Pick the right thickness (4 or 6 mm) and edge finish, choose round or…
13 min read · 14 jul 2026Read more →
Glass kitchen back wall: what should you pay attention to?
Glass kitchen back wall: which glass (tempered), which thickness…
15 min read · 14 jul 2026Read more →
Installation glass: what is it and when do you use it?
Installation glass explained: Custom tempered glass with holes…
12 min read · 14 jul 2026Read more →
Glass wall or room divider: what to look out for
Which safety glass (toughened or laminated), what thickness, fixing…
17 min read · 14 jul 2026Read more →
Custom glass table top: thickness and finish
Which thickness suits which use, when the glass needs toughening…
14 min read · 14 jul 2026Read more →
Make your own sliding glass doors for a display cabinet
Make your own sliding glass doors step by step: choose sliding window…
11 min read · 14 jul 2026Read more →
Custom glass door: what to look out for
A made-to-measure glass door in toughened glass: hinged, pivot or…
15 min read · 14 jul 2026Read more →
Glass clamps or point fixings for a balustrade?
Glass clamps vs point holders for a glass balustrade: the difference…
13 min read · 14 jul 2026Read more →
Glass for veranda or canopy: which glass do you need?
Glass for a veranda, patio cover or skylight: why laminated safety…
15 min read · 14 jul 2026Read more →
Custom shower enclosure: what to look out for
Choose 8 or 10 mm toughened glass, measure the clear opening…
12 min read · 14 jul 2026Read more →
Roof glazing: which glass do you need?
Roof glazing for skylights and conservatories: why laminated safety…
15 min read · 14 jul 2026Read more →Maintenance & problems
Scratches, cleaning, condensation, draughts and broken or leaking glass — spotting and fixing.

Which sealant do you use for what?
Glazing sealant, silicone, sanitary sealant, acrylic or mirror…
11 min read · 14 jul 2026Read more →
Solving drafts on windows: cause and solution
Draft at windows? Discover where the cold air comes from and which…
15 min read · 14 jul 2026Read more →
Removing mold from sealant: what can you do?
Mold in the sealant edge of your bathroom or kitchen? Find out when…
13 min read · 14 jul 2026Read more →
Broken window: replace or repair glass?
When does broken glass need replacing and when can it be repaired?…
15 min read · 14 jul 2026Read more →
Windows fog up on the inside: cause and solution
Windows fogging up on the inside? Discover why condensation forms…
14 min read · 14 jul 2026Read more →
Failed double glazing: spot it and replace it
Condensation or haze between the panes? How to recognise failed…
12 min read · 14 jul 2026Read more →
Scratch in glass: can you repair that?
Repair or replace scratch in glass? The nail test, polishing light…
13 min read · 14 jul 2026Read more →
Cold downdraught at windows: cause and cure
A cold downdraught feels like a draught but has a different cause.…
16 min read · 14 jul 2026Read more →
Removing limescale from shower glass
Remove limescale on shower glass with diluted vinegar or mild…
13 min read · 14 jul 2026Read more →
Cleaning glass without streaks
The right technique, which products work and which do not, and how to…
14 min read · 14 jul 2026Read more →
Condensation on windows: inside, outside or between?
Where the condensation sits tells you the cause: inside means…
11 min read · 14 jul 2026Read more →
Crack in double glazing: what now?
Repair or replace a crack in double glazing? Discover why you usually…
16 min read · 14 jul 2026Read more →Didn't find what you were looking for?
Our glass expert is happy to help you think it through — before you order.
