Construction practice is in the floor leveling layer, shop 1 layer of dry carpets or waste paper to form a separation layer, and then do dry waterproof layer. Can also use the floor of the insulation layer or sand ash and other loose material to form a separation layer, and then do rigid waterproof layer. Dry waterproof layer of the sub-grid is based on temperature unique flower boxes supplier philippines expansion and structural beam plate deformation and other factors to determine, according to a certain sub-reserved 20 mm wide seam, in order to facilitate the expansion of the joints filled with ointment cement.

It should be noted that: due to rigid waterproof layer of sub-grid construction quality is often not to ensure that, in addition to the parapet water should be strictly required to do sub-grid seam, the rest of playground sand material supplier singapore the roof can be no sub-grid seam.

Roof rigid waterproof layer is best once all poured out to avoid leakage. Waterproof surface must be smooth and smooth, to be completed construction, brush 2 waterproof coating to ensure that the waterproof layer of the protective layer design and construction quality. To pay special attention to the waterproof layer of anti-corrosion treatment, waterproof layer on the material looking like wood price sub-grid joints can be "a cloth four Tu" cover seam, and use good corrosion resistance of the caulking ointment. Should not be planted root system developed, the strong role of the waterproof layer of plants, such as pine, cypress, banyan and so on. Note that the quality of the material and the structure of the node should choose high temperature does not flow, low temperature is not broken, should not be aging, waterproof effect of good waterproof material.