1、How to do before install?The unopened packages should be acclimatized by being stored flat, in a dry ventilated room (approx. 18x18) for at least two days before starting the installationDos and Donts Do install Der over any type of subfloor.Do make sure the subfloor is dry; sufficient drying time m
2、ust be allowed for new concrete (minimum 70 days depending on local conditions ). Do make sure the subfloor is clean.Do ensure that the evenness of the subfloor is within a tolerance of + or - 3 mm over a distance of 2 metres. Do install Der as a floating floor to accommodate the expansion and contr
3、action caused by climatic changes. Do install a Der underlay beneath every Der floor. Do inspect each plank as it is taken from the package. Dont install Der in wet rooms, rooms with a floor drain or in damp areas. Dont lay Der flooring in an area larger than 12m X 8m without installing expansion pr
4、ofiles. Dont fix Der to the subfloor with nails, screws, glue, fitting furniture etc. Dont install Der in adjoining rooms without using an expansion profile in the doorway or walk - through.If the subfloor is concrete or a similar composite, a 0.2 mm polyethylene Der vapour membrane must be used (as
5、 well a Der underlay ). The membrane must be used (as well a Der underlay ). The membrane sheet is loose laid with an overlap of 200 mm at the joints. If there is an existing perishable organic floor covering material over the concrete, this must be removed. Non - perishable coverings can remain if
6、they are securely fixed. Floor coverings can remain on suspended timber, however carpeting should be removed. It is not necessary to use a vapour membrane on a suspended timber floor. You can install your Der floor with the skirtings left in position or refit them afterwards. Der should be laid so t
7、hat incoming light from windows falls along the length of the planks. In long narrow rooms, corridors and hallways it is best to lay Der parallel to the long walls regardless of the incoming light. Tools hardpoint handsaw hammer ruler or tape measure carpenders square Der installation kit (conatins
8、spacers, tapping block, and heel bar) 1 / 2 litre bottle of Der glue For every 10 sqm of flooring to be installedProfiles Expansion / dilatation profiles are necessary in doorways, small passeges, rooms with difficult layout (angled), rooms larger than 12 m (panel length) and rooms larger than 8 m (
9、panel width ). Finishing profiles can be used for threshholds, as a natural transition to heigher floors, and alongside walls that dont have skirting boards. Transition profiles are specifically designed for a smooth transition between adjoining floors at different levels. Stair nose profiles are suited for use on stairs, landings, etc.
