Last Updated: October 2, 2026
Design Software for Structural Engineers

Design and specify mass timber, backed by every supplier’s certified data

Find the mass timber product you need by category and region, then jump straight into a calculator pre-loaded with their certified data.

Get Your Products Specified → Browse Partners →
AUSTRALIA Acoustic Acoustic ISO 140 and ISO 140-8, rated to ISO 717 Calculator → AUSTRALIA Acoustic Acoustic Rated to AS/NZS ISO 717 Calculator → AUSTRALIA Brackets Brackets Eurocode 5 (EN 1995-1-1) Calculator → EUROPE Brackets Brackets Eurocode 5 (EN 1995-1-1) Calculator → EUROPE Brackets Brackets Eurocode 5 (EN 1995-1-1) Calculator → EUROPE Brackets Brackets Eurocode 5 (EN 1995-1-1) Calculator → EUROPE Brackets Brackets Eurocode 5 (EN 1995-1-1) Calculator → USA CLT CLT the NDS (ANSI/AWC NDS) under the IBC / IRC Calculator → USA CLT CLT The NDS (ANSI/AWC NDS) under the IBC / IRC Calculator → OTHER CLT CLT Eurocode 5 (EN 1995-1-1) Calculator → CANADA CLT CLT CSA O86 (CSA O86:19) Calculator → CANADA CLT CLT CSA O86 (CSA O86:19) Calculator → USA CLT CLT the NDS (ANSI/AWC NDS) under the IBC / IRC Calculator → EUROPE CLT CLT Eurocode 5 (EN 1995-1-1) Calculator → EUROPE CLT CLT Eurocode 5 (EN 1995-1-1) Calculator → EUROPE CLT CLT Eurocode 5 (EN 1995-1-1) Calculator → USA CLT CLT the NDS (ANSI/AWC NDS) under the IBC / IRC Calculator → USA CLT CLT the NDS (ANSI/AWC NDS) under the IBC / IRC Calculator → USA CLT CLT the NDS (ANSI/AWC NDS) under the IBC / IRC Calculator → AUSTRALIA CLT CLT AS 1720.1 Calculator → AUSTRALIA CLT CLT AS 1720.1 (NZS AS 1720.1:2022 in New Zealand) Calculator → AUSTRALIA CLT CLT AS 1720.1 (NZS AS 1720.1:2022 in New Zealand) Calculator → USA Glulam Glulam the NDS (ANSI/AWC NDS) under the IBC / IRC Calculator → USA Glulam Glulam the NDS (ANSI/AWC NDS) under the IBC / IRC Calculator → USA Glulam Glulam The NDS (ANSI/AWC NDS) under the IBC / IRC Calculator → USA Glulam Glulam the NDS (ANSI/AWC NDS) under the IBC / IRC Calculator → OTHER Glulam Glulam Eurocode 5 (EN 1995-1-1) Calculator → CANADA Glulam Glulam CSA O86 (CSA O86:19) Calculator → CANADA Glulam Glulam CSA O86 (CSA O86:19) Calculator → USA Glulam Glulam the NDS (ANSI/AWC NDS) under the IBC / IRC Calculator → EUROPE Glulam Glulam Eurocode 5 (EN 1995-1-1) Calculator → AUSTRALIA Glulam Glulam AS 1720.1 Calculator → AUSTRALIA Glulam Glulam AS 1720.1 (NZS AS 1720.1:2022 in New Zealand) Calculator → AUSTRALIA Glulam Glulam NZS AS 1720.1:2022 Calculator → AUSTRALIA Glulam Glulam NZS AS 1720.1:2022 (AS 1720.1) Calculator → AUSTRALIA Glulam Glulam AS 1720.1-2010 Calculator → USA Hangers Hangers the NDS (ANSI/AWC NDS) under the IBC / IRC Calculator → USA CLT KLH® – CLT the NDS (ANSI/AWC NDS) under the IBC / IRC Calculator → CANADA CLT KLH® – CLT CSA O86 (CSA O86:24) Calculator → EUROPE CLT KLH® – CLT Eurocode 5 (EN 1995-1-1) Calculator → EUROPE Screws Screws ETA-11/0030 Calculator → AUSTRALIA Screws Screws EN 1995-1-1 (Eurocode 5); AS1720; NZS AS 1720.1:2022 Calculator → EUROPE Screws Screws Eurocode 5 (EN 1995-1-1, §8.7.2), editions 2004 and 2025 Calculator → USA Screws Screws The NDS (ANSI/AWC NDS) under the IBC / IRC Calculator → AUSTRALIA Screws Screws Eurocode 5 (EN 1995-1-1, §8.7.2), editions 2004 and 2025 Calculator → EUROPE Screws Screws Eurocode 5 (EN 1995-1-1) Calculator → USA Screws Screws the NDS (ANSI/AWC NDS) under the IBC / IRC Calculator → USA Screws Screws the NDS (ANSI/AWC NDS) under the IBC / IRC Calculator → USA Screws Screws the NDS (ANSI/AWC NDS) under the IBC / IRC Calculator → USA Screws Screws the NDS (ANSI/AWC NDS) under the IBC / IRC Calculator → EUROPE Screws Screws Eurocode 5 (EN 1995-1-1, §8.7.2), editions 2004 and 2025 Calculator → EUROPE Screws Screws Eurocode 5 (EN 1995-1-1, §8.7.2), editions 2004 and 2025 Calculator → EUROPE Screws Screws Eurocode 5 (EN 1995-1-1, §8.7.2), editions 2004 and 2025 Calculator → EUROPE Screws Screws Eurocode 5 (EN 1995-1-1) Calculator → EUROPE Screws Screws Eurocode 5 (EN 1995-1-1, §8.7 and §8.7.2), editions 2004 and 2025 Calculator → EUROPE Screws Screws Eurocode 5 (EN 1995-1-1, §8.7 and §8.7.2), editions 2004 and 2025 Calculator → AUSTRALIA Screws Screws EN 1995-1-1 Calculator →
Frequently asked questions

Partnering with SPEC Toolbox.

Who can become a partner?
Any building product manufacturer with certified technical data (ETA, national certification, or equivalent) for a product used in structural timber design — screws, connectors, CLT panels, glulam, and related categories.
What does a partner get from being listed?
A dedicated, co-branded partner page, a calculator pre-filtered to your products, and visibility across every relevant category and calculator page where engineers are actively designing with your product category.
Is there a cost to integrate?
Partnership is a paid annual arrangement, tiered by scope. Get in touch via the form to discuss pricing for your product category and region.
How long does integration take?
Typically a few weeks from data handover to going live, depending on the complexity of the product category and how many regions are in scope.
Partner News

What’s New

FOR ENGINEERSStart designing now

Free, browser-based, no download. Design any certified connection into your real materials in seconds.

Start Designing For Free →
FOR SUPPLIERSBecome a partner

Get your products in front of every engineer specifying on the platform — at the point of design.

Get Your Products Specified →
Close Menu