Technical documentation hub

Johns Manville Technical Resources for Spec Writers

Specification sheets, installation guides, CAD drawings, and engineering data organized for architects, mechanical engineers, and roofing contractors detailing insulation and membrane assemblies. Packages emphasize ASTM-referenced R-value, thermal conductivity, compressive strength, fire resistance rating, STC rating, VOC emissions, and moisture vapor transmission—not brochure photography.

Where polyiso and mineral wool compete on the same wall or roof, comparison tables list both thermal bridging behavior and fire performance instead of declaring a single winner. Green-premium recycled-content boards and budget-code options are both documented so VE conversations stay numeric. Prefabricated panel details and traditional cavity details live in separate CAD folders to avoid mixed fastening notes.

Engineers reviewing insulation specification binders and CAD prints

Documentation roadmap

From Concept Detail to Field Checklist

  1. 01

    Concept & energy modeling

    R-value (ft²·°F·h/BTU per inch) and thermal conductivity tables for climate-zone screening before wall and roof thicknesses freeze. Notes flag when air permeability or embodied carbon targets in the owner brief will force facing or recycled-content upgrades later.

  2. 02

    Specification language

    Division 07 boilerplate with facing types, compressive grades, and fire resistance rating references. Domestic versus import facing availability and dimensional stability tolerances are disclosed so procurement does not assume identical lead times across SKUs.

  3. 03

    CAD / BIM details

    Typical continuous insulation, roof edge, and pipe hanger details for coordination drawings. Thermal bridging break details and vapor-retarder continuity sketches are included when the energy model still assumes unbroken CI through slab edges.

  4. 04

    Submittal packages

    TDS sets, warranty outlines, and UL/FM assembly IDs ready for reviewer packages. Missing listing IDs are marked “not in catalog” rather than filled with look-alike numbers; alternates list tested fire resistance rating hours and wind-load classes.

  5. 05

    Installation guides

    Facing orientation, fastening patterns, and membrane welding windows for field crews. Water absorption risk on wet decks, UV stability during phased membrane work, and service life expectancy differences between product families are called out in the same checklist.

Technology showcase

Libraries Specifiers Download Most Often

240+

Active TDS documents

Batt, board, pipe, duct, and membrane data with ASTM test references for R-value, compressive strength, and VOC emissions where applicable.

90

Installation guides

Surface prep, fastening, and vapor-retarder sequencing for crews, including moisture vapor transmission facing orientation checks.

110

CAD details

Roof edges, CI transitions, and mechanical penetration sketches with thermal bridging callouts at slab and mullion breaks.

55

Engineering notes

Thermal bridging, STC rating pairing, cold-storage vapor drive, and recycled content percentage summaries for green-spec packages.

Documentation partners

Programs Behind the Spec Sheets

UL & FM listings

Assembly IDs for fire-rated partitions and wind-rated roofing systems referenced in submittals.

ASHRAE energy paths

R-value packages mapped to climate zones for commercial energy code compliance.

Certified contractor training

Applicator curricula that protect roofing warranty pathways and fastening patterns.

3,000+ SKUs with downloadable data
24/7 Portal access for registered firms
1 day Typical custom package turnaround

Request the Spec Sheets Your Package Still Needs

Tell us product family, climate zone, and whether you need comparative R-value tables, CAD details, or roofing warranty outlines. We assemble a documentation set matched to your bid or construction package—not a generic marketing download.

Download Specification Guide