Trade knowledge
The maths of the merchant counter, answered
Quick, practical answers to the quantity, size and spec questions the trade asks every day. This is a taste of the knowledge Otis draws on to quote accurately for your customers.
Popular questions
What depth of sub base do I need for a patio?How many bags of postcrete per fence post?What fall does a soil pipe need?How many bricks per square metre?How much MOT Type 1 per square metre?How much wall does a litre of paint cover?How many blocks per square metre?What is the right concrete mix ratio?What sand and cement mix for pointing?How many paving slabs per square metre?How many roof tiles per square metre?How many bags of cement per 1000 bricks?How many decking boards per square metre?How many decking screws per square metre?How many fence panels and posts do I need?How deep should a fence post be set?How much topsoil do I need?How much gravel per square metre?How much bearing does a lintel need?What insulation thickness for building regs?What U value for a cavity wall?How thick should floor screed be?What fall should a patio have?How many plasterboard sheets do I need?How much does a bag of plaster cover?How much tile adhesive per square metre?How many wall ties per square metre?What spacing should floor joists be?What spacing should roof rafters be?What spacing for stud wall timbers?What is the difference between C16 and C24 timber?How high should a damp proof course be?How deep should foundations be?What sub base depth for a driveway?How much ballast and cement per cubic metre?How much skirting board do I need?What size manhole cover do I need?How do I lay kerbs and how much concrete?How much sand for block paving?What fall should guttering have?How many bricks are in a pack?
See what Otis would capture for you
Book a strategic call and we will model it against your own numbers.