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Our offer

Folding patio doors

patio doors The wooden folding patio doors by POLIS are the only solution enabling the complete opening of the room up to the width of 6 m without a mullion. Depending on the width of the opening as well as the preferences of our client there is a dozen or so of variants of the openings /see variants/. As the door leaves fold, they slide in one or both directions. Single peripheral leaves in some variants can tilt and turn. The door leaves are suspended on the upper running track or supported by the lower running track. The first solution is especially recommended if the lower running track might get dirty, e.g. with sand (garden entries). The folding patio door by POLIS can have a threshold or they can be manufactured without it /see details/, which enables them to serve as a partition of the room (the separation from the winter garden, the division of the conference room etc.). The maximum width of folding leaves – 900 mm, the maximum height of the leaves – 2400 mm, the acceptable weight of the leaf – 80 kg. For the openings higher than 2500 mm there is a possibility of manufacturing the folding door with an upper fanlight.


See our portfolio

Door lining
from layer glued wood (pine, meranti, oak), dimensions: 68 x 81 mm standard profile. A door lining of another width upon request.

Door leaf
from layer glued wood (pine, meranti, oak), rail and stile dimensions: 68 x 78 mm standard profile. Door leaf of another rail and stile dimensions upon request. The maximum width of the leaf – 900 mm, the maximum height of the leaf – 2400 mm, the maximum weight – 80 kg.


Transom bar
standard width: 81 and 102 mm. Transom bars of another width upon request.

envelope fittings, running tracks, guide tracks and hinges by ROTO. The colours of running tracks, caps, hinge caps, door handles: white, aluminum, olive. Threshold and thresholdless versions.

four-coat varnishing with SIGMA coatings, varnishing in any covering colour according to RAL or NCS as well as transparent (wood-varnished) [according to wood varnish pattern]. We can also prepare other colours of wood varnish upon request. There is a possibility to differentiate internal and external colours.

with insulated glass by PILKINGTON. The thickness of the glass – up to 32 mm. Standard packet – 4/16/4 with heat transfer coefficient U=1.0. If requested, other types of panes can be installed: secure, tempered, anti-burglar, self-cleaning, decorative, milky, coloured, noise-controlling and stained.

neutral by WACKER in three colours: white, brown and colourless. Other colours available upon request.

internal aluminum muntins of width from 8 to 45 mm, glued-on Vienna muntins of width from 25 to 35 mm, structural muntins of width from 55 mm /more/.

Rain protection rails
insulated aluminum rain protection rails by BUG. They can be either white (varnished ones) or in one of the three colours (anodised ones). On a door leaf there is a rain protection rail by ALURON of the same colour. Rain protection rails can have other colours (according to RAL) upon request.

by INTER DEVENTER, white or brown. Other colours are available upon request.

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