Composite reflects weighted input cost movement across petrochemical derivatives (paint, insulation, pipe, adhesives), metals (HVAC, electrical, roofing), and energy pass-through. Lumber/OSB is tariff-exposed but not Hormuz-linked. The 8–12% range reflects cost pressure on the construction materials basket; individual categories vary from ~3% (drywall) to ~20%+ (spray foam, HVAC).
Probability that at least one tracked material category enters genuine supply constraint (allocation, stockout, or lead time extension >4 weeks beyond baseline) affecting Canadian property claims within 180 days. The longer horizon captures seasonal demand peaks (May–Sept for exterior materials, HVAC), pipeline lag from cracker restarts (4–8 weeks minimum), and the compounding effect of sustained feedstock cost pressure on contractor procurement behaviour. This remains lower than the auto tracker 180-day probability (49–52%) because construction materials are more commoditized, have more domestic production, and offer greater substitutability.
| Material Category | Disruption Prob. | Primary Vector | Rationale |
|---|---|---|---|
| Paint Solvents / Thinners | 25–35% | Hormuz | Highest sub-category. METI intervention in Japan (Apr 13). Toyoda Gosei flagged thinner as production bottleneck (Apr 28). Shared toluene/xylene feedstock. 180-day window captures full seasonal peak and pipeline lag. |
| HVAC Systems | 18–25% | Combined | Cross-border assembly with tariffed metal inputs + petrochemical insulation components. Custom spec limits substitution. Seasonal demand peak (May–Sept) falls entirely within window. |
| Spray Foam Insulation | 15–20% | Hormuz | MDI isocyanate is naphtha-derived. CA manufacturing exists (Huntsman/Demilec) but feedstock still exposed. Sustained closure compounds allocation pressure. |
| Prefab Bath/Shower Units | 12–18% | Hormuz | PMMA/acrylic sheet thermoforming. Maax and Mirolin are CA fallbacks but acrylic feedstock exposed. Lead time extension most likely manifestation. |
| PVC Pipe & Fittings | 5–8% | Hormuz | IPEX manufactures domestically. Strong CA production base. Feedstock exposure but supply constraint unlikely even at 180-day horizon. |
| Drywall / Gypsum | <3% | Trade | Non-petrochemical. Strong CA manufacturing (CGC). Minimal Hormuz exposure. |
| Rank | Material Category | Hormuz Exposure | Trade/Tariff Exposure | Combined | Claims Cost Mechanism |
|---|---|---|---|---|---|
| 1 | HVAC / Mechanical | High | High | Critical | Occupancy-gated. Home cannot be re-occupied without functioning HVAC. Extended ALE at maximum daily rate. |
| 2 | Paint & Coatings | Elevated | Moderate | Elevated | Throughput constraint. Every restoration requires paint. Solvent/thinner tightening slows all jobs. |
| 3 | Cabinets / Vanities | Moderate | High | Elevated | Late-stage installation. Delay at end of restoration = worst ALE profile. US tariff on imports. |
| 4 | Insulation | Elevated | Moderate | Elevated | Spray foam = highest petrochemical exposure. Fibreglass = structurally insulated alternative. |
| 5 | Prefab Bath & Shower | High | Moderate | Elevated | Acrylic thermoforming = Hormuz-exposed. Occupancy gate if only bathroom affected. |
| 6 | Pipe & Plumbing | Elevated | Low | Moderate | Strong CA manufacturing (IPEX). Cost pressure, not supply constraint. |
| 7 | Roofing | Elevated | Moderate | Moderate | CA asphalt shingle production strong (IKO, BP/GAF). Asphalt = crude byproduct, cost-exposed. |
| 8 | Adhesives & Sealants | Elevated | Low | Moderate | Low cost, high sequencing impact. Blocks subsequent trades if unavailable. |
| 9 | Vinyl Products | Elevated | Moderate | Moderate | CA siding/window manufacturing exists. LVP/LVT flooring carries China tariff exposure. |
| 10 | Drywall & Interior | Low | Moderate | Low | Non-petrochemical. Strong CA manufacturing. Minimal Hormuz exposure. |
Naphtha-derived feedstocks (resins, solvents, isocyanates) flow through to paint, insulation, pipe, adhesives, and plastic components in HVAC and prefab bath units. NA is structurally insulated on base resins (NGL-based cracking) but exposed on aromatics (toluene, xylene) and specialty chemicals (MDI, BPA).
Transmission: Cost escalation across portfolio. Throughput constraint if solvent allocation tightens. Reserve inadequacy on open claims.
US-sourced materials subject to Canadian countertariffs or US tariffs affecting cross-border procurement. HVAC (cross-border assembly), cabinets/vanities (US + China imports), and vinyl flooring (China imports) are the primary exposure categories.
Transmission: Direct cost increase on tariffed goods. CUSMA compliance complexity. Contractor quote instability as pricing adjusts.
37 materials · 10 categories · Dual-lens Hormuz + Trade assessment · v2 · May 15, 2026
| Sub-Category | Feedstock | Hormuz | Trade | Claims Note |
|---|---|---|---|---|
| Interior Latex | Acrylic resin (MMA) | Elevated | Moderate | Highest volume. Price increasing. |
| Exterior Latex | Acrylic resin, UV stabilizers | Elevated | Moderate | Seasonal peak May–Sept amplifies. |
| Acrylic Primers | Acrylic resin, coalescents | Elevated | Moderate | Sequence-gated: delays all painting. |
| Shellac / PVA Primers | Shellac: natural. PVA: petrochemical | Moderate | Moderate | Shellac = natural resin, no Hormuz exposure. |
| Epoxy / Moisture Barrier | Epichlorohydrin, BPA | High | Moderate | Required for water damage. Sequence-gated. |
| Fire-Rated Coatings | Acrylic/epoxy + retardants | High | Moderate | Code-required. Inspection gate. No substitution. |
| Alkyd / Oil-Based Stains | Alkyd resin, mineral spirits | High | Low | Dual petrochemical exposure (resin + solvent). |
| Water-Based Stains | Acrylic resin | Moderate | Low | Lower petrochemical content. Growing market share. |
| Solvents & Thinners | Toluene, xylene, ethyl acetate | High | Low | Throughput constraint. Every paint job requires solvent. |
| Caulking (Paintable) | Acrylic latex | Moderate | Low | Cheap item, disproportionate sequencing impact. |
| Sub-Category | Input Exposure | Hormuz | Trade | Claims Note |
|---|---|---|---|---|
| Furnace | Steel, copper, aluminium, plastic, insulation | High | High | Occupancy gate. Spec-dependent — limited substitutability. |
| AC / Heat Pump | Same + refrigerant | High | High | Seasonal peak. R-410A to R-32 transition adds complexity. |
| Sub-Category | Hormuz | Trade | Claims Note |
|---|---|---|---|
| Kitchen Cabinets | Moderate | High | Stock vs custom affects lead time. Custom = longer but CA-sourced. |
| Vanity Units | Moderate | High | Bathroom completion gate if only bathroom affected. |
| Countertops | Elevated | Moderate | Solid surface (Corian) = petrochemical resin exposure. |
| Sub-Category | Feedstock | Hormuz | Trade | Claims Note |
|---|---|---|---|---|
| Spray Foam (Closed-Cell) | MDI isocyanate + polyol | High | Moderate | CA mfg exists (Huntsman/Demilec) but feedstock exposed. |
| Rigid Foam Board (XPS/EPS) | Polystyrene | Elevated | Moderate | Formosa PS prices +46%. Watch for NA pass-through. |
| Fibreglass Batt | Glass fibre (energy only) | Low | Moderate | Structurally insulated from Hormuz. Alternative where code permits. |
Acrylic tub-shower units require PMMA sheet thermoforming. PMMA is directly naphtha-derived. Canadian manufacturers (Maax, Mirolin) dodge tariff risk but remain exposed to petrochemical feedstock pricing and potential allocation.
| Sub-Category | Feedstock | Hormuz | Trade | Claims Note |
|---|---|---|---|---|
| PVC Pipe & Fittings | PVC resin (VCM) | Elevated | Low | IPEX (Mississauga) — strong CA production. |
| PEX Tubing | Cross-linked PE | Elevated | Moderate | Growing residential share. Mixed sourcing. |
| ABS Drain Pipe | ABS resin | Elevated | Low | CA code standard for DWV. IPEX + Canplas = domestic. |
| Sub-Category | Feedstock | Hormuz | Trade | Claims Note |
|---|---|---|---|---|
| Asphalt Shingles | Asphalt (crude byproduct) | Elevated | Moderate | CA manufacturing strong. Cost, not supply. |
| TPO/PVC Membrane | PVC resin, plasticizers | High | Moderate | Commercial/flat roof. PVC directly exposed. |
| Sub-Category | Hormuz | Trade | Claims Note |
|---|---|---|---|
| Vinyl Siding | Elevated | Moderate | Gentek, Kaycan = strong CA manufacturing. |
| Vinyl Windows | Elevated | Moderate | Custom sizing limits substitution. Late-stage. |
| Vinyl Flooring (LVP/LVT) | Elevated | High | China tariff is primary risk vector. |
| Sub-Category | Hormuz | Trade | Claims Note |
|---|---|---|---|
| Construction Adhesive | Elevated | Low | PU adhesives share feedstock with spray foam. |
| Silicone Sealant | Moderate | Low | Required for wet areas. Must cure before next trade. |
| Sub-Category | Hormuz | Trade | Claims Note |
|---|---|---|---|
| Drywall / Gypsum Board | Low | Moderate | CGC has multiple CA plants. Commodity product. |
| Joint Compound | Low | Low | Minimal petrochemical. Sequence-gated before painting. |
| Stage | Phase | Materials Required | Gate Type | Hormuz Exp. | ALE Impact if Delayed |
|---|---|---|---|---|---|
| 1 | Demolition & Remediation | Remediation chemicals, dehumidifiers | — | Low | Low — early stage, other work cannot begin. |
| 2 | Structural Framing | Lumber, engineered wood (OSB/plywood) | Inspection | Moderate | Moderate — delays entire downstream sequence. |
| 3 | Rough Mechanical | PVC/ABS pipe, PEX, wire, ductwork | Inspection | Elevated | Moderate — must pass before insulation and drywall. |
| 4 | Insulation | Spray foam, fibreglass batt, rigid board | Inspection | Elevated | Moderate — gates drywall installation. |
| 5 | Drywall | Gypsum board, joint compound, tape | Sequence | Low | Moderate — gates all finishing trades. |
| 6 | Priming | Acrylic primer, shellac/PVA primer | Sequence | Elevated | Moderate–High — gates painting, which gates everything after. |
| 7 | Painting | Interior/exterior latex, solvents, caulking | Sequence | Elevated | High — gates flooring, trim, fixtures. |
| 8 | Flooring | LVP/LVT, hardwood, tile, carpet | Sequence | Elevated | High — gates cabinet/vanity installation. |
| 9 | Cabinets & Countertops | Cabinets, vanities, countertops | Late-Stage | Moderate | Very High — near end of restoration. All prior work complete. |
| 10 | Final Mechanical | HVAC equipment, electrical panel | Occupancy | High | Critical — occupancy certificate requires functioning HVAC + electrical. |
| 11 | Fire-Rated Systems | Intumescent coatings, fire stops | Occupancy | High | Critical — code-mandated. Inspection must pass. |
| 12 | Final Inspection & Occupancy | All preceding materials complete | Completion | — | Gate — ALE ceases only when occupancy granted. |
| Manufacturer | Location | Materials | Tariff Insulated? | Hormuz Insulated? | Notes |
|---|---|---|---|---|---|
| IPEX | Mississauga, ON | PVC pipe, ABS pipe, fittings | Yes | Partial | PVC resin feedstock still petrochemical. Largest CA pipe manufacturer. |
| KeepRite | Brantford, ON | Furnaces, AC units | Yes | Partial | Metal inputs (steel, copper, aluminium) sourced globally. Plastic/insulation components exposed. |
| Maax | Ste-Marie, QC | Bathtubs, shower units | Yes | Partial | Acrylic sheet thermoforming — PMMA feedstock exposed. |
| Mirolin | Brampton, ON | Bathtubs, shower units | Yes | Partial | Same acrylic feedstock exposure as Maax. |
| Recochem | Montreal, QC | Solvents, thinners, automotive fluids | Yes | No | Packages and distributes — feedstock is petrochemical (toluene, xylene). Full Hormuz exposure. |
| Saman | Quebec | Stains, finishes, specialty coatings | Yes | Partial | Water-based products lower exposure. Oil-based products carry feedstock exposure. |
| Miralis | Quebec | Kitchen cabinets, vanities | Yes | Yes | Wood-based manufacturing. Minimal petrochemical input. Full insulation. |
| Cloverdale Paint | Surrey, BC | Interior/exterior paint | Yes | Partial | CA-manufactured paint. Acrylic resin feedstock still exposed. |
| Beauti-Tone | Ontario | Interior/exterior paint | Yes | Partial | Home Hardware brand. CA-manufactured. |
| Huntsman/Demilec | Multiple CA | Spray foam insulation | Yes | No | MDI isocyanate feedstock is naphtha-derived. CA manufacturing, imported chemistry. |
| IKO | Multiple CA | Asphalt shingles, roofing | Yes | Partial | Asphalt is crude byproduct. CA manufacturing strong. |
| CGC/USG | Multiple CA | Drywall, joint compound | Yes | Yes | Gypsum is mineral-based. Non-petrochemical. Full insulation. |
| Gentek | Ontario | Vinyl siding, windows | Yes | Partial | PVC extrusion. Tariff-insulated but resin feedstock exposed. |
| Kaycan | Ontario | Vinyl siding | Yes | Partial | Same as Gentek — CA manufacturing, PVC resin exposed. |
| Canplas | Ontario | ABS pipe, plumbing fittings | Yes | Partial | ABS resin feedstock exposed. Strong CA production. |
| North Star Windows | Ontario | Vinyl windows | Yes | Partial | PVC extrusion. Custom residential windows. |
| West Fraser / Tolko | BC, AB | OSB, plywood, engineered wood | Yes | Yes | Wood-based. Resin binder is minor petrochemical component. Effectively insulated. |
| Owens Corning | CA plants | Fibreglass insulation | Yes | Yes | Glass fibre is energy-intensive but not petrochemical. Full insulation. |
This tracker assesses construction materials on two independent axes. Hormuz petrochemical exposure tracks the naphtha-to-finished-material supply chain disrupted by the Strait of Hormuz closure (since February 28, 2026). Trade/tariff exposure tracks US-Canada tariff actions, CUSMA compliance requirements, and cross-border procurement complexity.
Unlike auto parts (model-specific molds, single-source suppliers), construction materials are generally commoditized with multiple manufacturers, brands, and retail channels. This means supply shocks transmit primarily as cost increases and lead time extensions rather than stockouts. The disruption probability for property is structurally lower than for auto.
The headline metrics reflect this distinction. Material Cost Pressure (the dominant near-term signal) tracks input cost movement across the construction materials basket. Supply Disruption Probability (lower magnitude but higher stakes) tracks the likelihood of genuine supply constraint affecting Canadian property claims.
CA manufacturing ≠ full insulation. Canadian-manufactured products avoid tariff exposure but may still carry Hormuz feedstock exposure. A Canadian paint manufacturer using imported acrylic resin faces the same feedstock cost pressure as a US manufacturer.
Inflation story vs disruption story. Property is primarily an inflation story (reserve inadequacy, cost escalation, contractor quote instability) with a narrow tail risk of genuine supply disruption concentrated in paint solvents, HVAC, and spray foam insulation.
Pipeline lag. Even if the Strait of Hormuz reopens, petrochemical feedstock normalization takes 9–12 months. Cracker restart timelines are 4–8 weeks minimum. Reopening does not equal immediate cost relief.
Throughput constraint vs parts delay. Paint solvent/thinner tightening is a throughput constraint that slows all jobs across the portfolio, not a material-specific delay affecting one category. This parallels the auto sector thinner shortage mechanism documented in the Hormuz tracker.
• National-level assessment. Regional variation (Atlantic vs Ontario vs Western Canada) is not captured.
• Material cost pressure composite is an estimate based on upstream commodity movements, not confirmed retail pricing data.
• CA manufacturing fallback identification is based on public-source research. Actual production capacity and product line coverage requires distributor/retailer confirmation.
• Contractor quote validity and actual lead time data is not yet integrated. This is identified as a v3 enhancement pending industry input.
Hormuz Supply Chain Tracker — Auto parts petrochemical disruption monitoring. Market conditions, OEM exposure, country risk.
Non-Plastics Material Exposure — Aluminium, steel, paint, adhesives, glass, rubber, logistics. Paint solvents/thinners section directly cross-references this property tracker.
This tracker uses the same signal level system (Green/Yellow/Orange/Red) and evidence discipline (FACT/INFERENCE/ASSUMPTION) as the auto tracker suite.
This is an exposure screen, not a procurement recommendation. Verify against contractor quotes, distributor confirmations, and retailer intelligence before operational action.