Product Specifications
The document provides specifications for glazed roof hatches, detailing various models with their dimensions and weights. The models include RHTG1015, RHTG1020, RHTG1025, and RHTG1030, with dimensions ranging from 1000 mm x 1500 mm to 1000 mm x 3000 mm and weights from 187 kg to 328 kg.

Structural Opening Size
The roof hatch opening size matches the structural opening size of the roof. If combined with a scissor stair attic ladder, the opening size may differ, and confirmation should be sought from the Gorter Group website.

Usage
Roof hatches are suitable for concrete, steel, and wooden roofs, including higher roofs. They can be installed on flat roofs with a maximum pitch of 5°.

Technical Data
The document includes technical data for roof hatches, specifying that they are certified by SKG-IKOB. It also mentions a special size type RHTE with dimensions less than 1150 mm and greater than 3000 mm.

Installation Features
The roof hatches come standard with two powerful electric motors and have a screw hole diameter of 10 mm. The insulation thickness is 82.5 mm, and the roof deck is designed to accommodate these features.