Frequently asked questions

FAQ – Frequently asked questions

How are sliding shutters installed? What are the advantages of folding shutters? What about thermal insulation for skylights? Many of our website visitors have the same questions. On this page, we would like to address frequently asked questions, FAQ for short. Use the category filter to set the subject area and narrow down the selection of the most frequently asked questions. With one click, you will get the answer to your selected question.

Our FAQ list is a collection of the most frequently asked questions. If you miss a question or the answer to your question, please get in touch with our competent contact persons. They will be happy to provide you with information and help.

Aluminium – infinitely recyclable?
Aluminium frames – high quality and aesthetic?
Anodising – what is that?
Are there sliding shutters that open upwards or downwards?
Can I build sliding shutters myself?
Can roof window roller shutters also move upwards from below?
Can sliding shutters be retrofitted?
Do listed buildings and skylight shutters go together?
Do-it-yourself at a low price?
Expanded metal – filigree and yet stable?
For which doors are low-energy sliding door drives suitable?
From which material are roof windows (frame and casement) made?
From which material is the outer cover of skylights made?
Glass – the multifunctional top product?
How are roof windows operated?
How does the electric drive work with sliding shutters?
How long are the delivery times for sliding shutters?
In which roof pitches can residential roof windows be installed?
Powder coating – decorative surface finishing?
Skylight or dormer?
What about thermal insulation for roof windows?
What are the advantages of folding shutters?
What are the advantages of sliding shutters?
What are the differences in the opening types of roof windows?
What colour are roof windows on the outside?
What do sliding shutters cost approximately?
What sizes are available for skylights?
Where are sliding shutters used?
Why are there made-to-measure roof windows?
Why sliding windows?