Contact / calculator help

Help us check
the arithmetic.

For calculation corrections, feedback or privacy enquiries, email panelplan.railway543@slmail.me.

This is an existing shared portfolio inbox, also used for Panelplan. Include “Deckboard” in your subject so the correct calculator can be identified. It forwards through SimpleLogin to the owner; the owner's private mailbox is not published here.

A useful correction report

Include the measurements, selected mode, result you received and arithmetic you expected. A copied plan keeps those details together. There is no need to send a home address, photograph or other personal information to explain a numerical issue.

Read the method

The calculation guide shows the assumptions and original worked examples. This site provides a measurement model rather than an installation, framing or design service.

Privacy information explains how email forwarding works. Return to the calculator →