no, densified surface will still be porous, lithium sil is added to surface on concrete , densification is limited to surface may be quarter inch over time. it is a step before polishing concrete floor. calcium silicate matrix will however reduce occurrence of surface cracks . in order for polish pr...

sorry for late reply , the oil , or the brown liquid conplast\pidilite LW+ \roff are lignosulphonate class additives , they are plasticizers they work by 3 ways making the concrete less porous or less permeable ,homogenizes the concrete mix and u require less water to achieve certain plasticity whic...

sal and neem boards needed for doors are difficult to get ,sal boards split . Pine i have tested personally , I have pine wood pergola unblemished, out in direct sun and direct rain for 3 years, inches from soil infested with termites. termite do not like them , throw in any hardwood , 5 days later,...

WPC is nothing but PVC with natural wood powder. Go for it if you like plasticky things. well Pine solid wood doors are excellent and looks great , works out well within your budget and is ready to be polished .spend a bit more and seal with PU with teak stain and is weather proof . The grains and d...

what is the type of wood and quantity, chemical treatment and drying kiln services are very much available in bangalore. All timber can be kiln dried , but only specific timber species can be chemically treated and that too if done in scale, if you have smaller quantity ,doubt any one will entertain...

Point taken rajnikant , Please throw some light on How do we identify the credentials of a structural engineer ? and professional liability a) Is there a licence from BBMP\BDA specific for structural that we look for ? b) Is it Mandatory to have a M.Tech in Structural engineering ? c) Is there any C...

a) The bricks wick moisture and they swell which causes the expansion laterally(more seen in clay bricks) , since the wall exists between columns(almost rigid), you can expect a vertical crack and if there is a window opening , the fracture will be seen in the corners of the opening . (cut a square ...

for 16 foot the pressure in 1 inch pipe should be close 25 psi (losses included) . it should be quite sufficient for a simple shower head. the solar heater is just like your over head tank , if you say cold water is fine , then there is some other problem. after all how much tall your cold water tan...

there is already a detailed thread "Terrace area crack filling || Waterproofing" with most your questions answered http://www.mybdasites.com/viewtopic.php?f=36&t=5579

hollow blocks and aerated concrete blocks have better insulation.
white coatings are available for roof slab, they reflect heat better. check out the terrace water proofing thread for more details.