CONTACT + CALCULATION HELP
Contact and
calculation help.
For calculator feedback, corrections or privacy enquiries, email curtaincount.ensure941@silomails.com.
This public address forwards through SimpleLogin to the site owner. Include the inputs and expected result if you are reporting a calculation issue; avoid unnecessary personal information. Email support does not require a phone call.
Help us check a result
Include the measurements, units, quantities, allowances and expected result. Download or print your plan to keep those values together. Describe the arithmetic issue rather than sending unrelated personal information.
The planning guide explains the model and its limits. This tool calculates the stated model; product suitability and practical work need their own checks.