Carlisle posted record Q2 revenue, double-digit EPS growth, and raised 2026 guidance, but margin pressure and leverage keep the rating disciplined. The stock still screens attractively versus consensus and long-term earnings power.
Carlisle Companies Incorporated (CSL) earns a Buy rating for a medium-term, moderate-risk portfolio. The case rests on three hard facts: Q2 2026 revenue reached a record $1.57B, adjusted EPS rose 12% year over year to $7.03, and the stock's forward P/E is 13.5x with a PEG ratio of 0.9x. Management also raised 2026 revenue guidance to mid-single-digit growth while retaining expectations for double-digit adjusted EPS growth, approximately 25% ROIC, and a free cash flow margin near 15%.
The counterweight is visible in the same quarter. Adjusted EBITDA margin fell 70 basis points to 26.2% as petroleum-based raw material and freight costs rose faster than pricing. Net debt was 1.7x EBITDA at June 30, 2026, and cash declined to $665M against $2.88B of debt. That combination favors a disciplined Buy rather than an aggressive rating. Carlisle has an attractive operating engine, but the market still needs evidence that pricing actions can restore margin expansion.
At the cited share price of $320.18, CSL trades below the $410.38 analyst consensus target and below the growth profile implied by its 2027 through 2030 earnings estimates. The investment thesis is strongest when re-roofing demand, CWT efficiency gains, new products, and share repurchases work together. It weakens if new construction remains soft, input inflation persists, or buybacks add leverage without a corresponding improvement in earnings quality.
Founded in 1917 and headquartered in Scottsdale, Arizona, Carlisle is a building-envelope manufacturer with approximately 5,900 employees. Its two operating segments are Carlisle Construction Materials, or CCM, and Carlisle Weatherproofing Technologies, or CWT. The product portfolio includes roofing membranes, polyiso insulation, waterproofing systems, air and vapor barriers, sealants, flashing, coatings, spray polyurethane foam, expanded polystyrene insulation, and HVAC-related engineered products.
The business model is more durable than a pure new-construction supplier because re-roofing generates more than 70% of sales, according to management. Carlisle also identifies an aging North American non-residential building stock, with more than 70% of buildings older than 25 years, as a foundation for recurring repair and replacement demand. That mix does not eliminate cyclicality, but it places a maintenance engine beneath the construction cycle.
CCM is the earnings anchor. Q2 2026 revenue reached $1.18B, up 7.8% year over year, while adjusted EBITDA increased 6.7% to $363.3M. The segment produced a 30.7% adjusted EBITDA margin despite raw material and freight inflation. Re-roofing demand grew approximately 3%, while commercial new construction declined by a mid-single-digit rate. Customer pre-buying ahead of price increases contributed a low-single-digit amount to revenue growth.
CWT is smaller but offers the more visible margin-recovery opportunity. Q2 revenue rose 9.9% to $389M, and adjusted EBITDA increased 4.2% to $74M. The 19.0% adjusted EBITDA margin was down 90 basis points year over year, yet it improved 380 basis points sequentially from Q1. Automation contributed approximately $3M in the quarter, footprint consolidation added $1M, and in-house expanded polystyrene capacity contributed approximately $2M to $3M.
Management expects CWT's full-year margin to improve by 100 basis points, with approximately 250 basis points of improvement in both Q3 and Q4. CCM management expects roughly 29% EBITDA margin in Q3, 28% in Q4, and approximately 29% for the full year. The segment contrast matters: CCM supplies scale and cash generation, while CWT supplies operating leverage if the efficiency program continues to convert.
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ThermaThin R-7 polyiso insulation is the clearest example of Carlisle's product strategy. The first orders shipped in June 2026, slightly ahead of schedule, and the first project was driven by an energy-efficiency building code requirement. Management states that ThermaThin R-7 delivers approximately 23% higher R-value per inch than standard polyiso in many conditions.
The product's economic value extends beyond the insulation itself. Higher thermal performance can reduce roof assembly height, material layers, delivery truckloads, crane lifts, and installation time. That gives Carlisle a way to sell labor savings and project efficiency rather than only a sheet of insulation. Management's plain-English version is worth preserving:
Carlisle plans to launch a dozen new products in 2026, with half already in the market by the Q2 call. The temperature-sensing adhesive gun, 16-foot seam shield, and high-yield closed-cell spray foam extend the product pipeline beyond a single insulation launch. Henry's UltraTouch denim insulation was stocked in nearly half of Home Depot (HD) stores nationwide, creating a separate retail distribution channel.
Carlisle's competitive advantage combines product specification, contractor relationships, technical selling, and operational execution. Management's Vision 2030 framework targets more than 5% organic revenue growth, a 25% or greater adjusted EBITDA margin, adjusted EPS of $40, ROIC above 25%, and a free cash flow margin above 15%. The company also targets 25% of total sales from products introduced in the prior five years.
The innovation process uses Voice of the Customer research to connect product development with contractor and building-owner needs. ThermaThin R-7 demonstrates the model because it addresses energy codes, labor availability, logistics, and installation time in one product. The planned expansion of Carlisle's research and innovation center, including more than $45M of investment and over 50,000 square feet of additional space, increases the company's capacity to repeat that process.
The moat is practical rather than mysterious. Roofing and weatherproofing systems carry warranty, specification, and installation consequences, so contractors and distributors value reliable products and technical support. Carlisle's above-market Q2 growth while new construction remained weak adds operating evidence to that positioning. The risk is equally practical: new products must earn contractor adoption, and the company must convert innovation into higher revenue and margin rather than simply a longer product catalog.
The Carlisle Operating System is the central operating tool. Management targets annual savings equal to 1% to 2% of sales and is using automation, robotics, cost controls, and scrap reduction across factories. At CWT, footprint consolidation and internal expanded polystyrene resin capacity are already producing measurable results. Those initiatives helped drive the 380-basis-point sequential improvement in CWT's Q2 adjusted EBITDA margin.
Supply-chain pressure was material in Q2. Petroleum-based raw materials, freight, chlorine-related issues, and supplier force majeure events affected roofing and insulation inputs. Carlisle responded with three broad-based price increases and freight surcharges. Q2 pricing was in the low-single-digit range, with management expecting mid-single-digit pricing in Q3 and high-single-digit pricing in Q4.
Management also stated that Carlisle secured its MDI supply despite tighter industry conditions. The operational issue is timing: committed quotes and distributor notification periods delay price realization after costs rise. This explains why Q2 margins weakened even as revenue and adjusted EPS reached records. It also establishes a measurable test for the second half, namely whether pricing catches up without destroying volume.
The most attractive market feature is the repair-and-replace cycle. Carlisle says more than 70% of its sales are tied to re-roofing, and management described re-roofing growth as steady at a mid-single-digit rate over the prior two decades. Q2 2026 provided a live test of that claim: CCM re-roofing grew approximately 3% while commercial new construction declined by a mid-single-digit rate.
Data centers are a higher-growth pocket within commercial construction. Management cited constraints in PVC availability and said specifications are opening to premium TPO as a substitute. Premium TPO is a Carlisle strength, so the substitution expands the company's addressable product position even while the broader market was described as roughly flat.
Energy efficiency and labor productivity add structural demand. ThermaThin R-7 addresses building-code requirements and installation economics, while Carlisle's broader envelope portfolio helps contractors manage moisture, air, vapor, and thermal performance. The market is therefore shaped by both roof replacement volume and the value of improving each square foot installed.
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Carlisle serves a channel that includes commercial roofing contractors, distributors, building owners, specifiers, and retail customers. Contractors care about installation time, warranty performance, product availability, and technical support. Building owners care about energy efficiency, weather protection, lifecycle cost, and compliance with building codes. Distributors care about end-user demand and inventory turns.
The company's product strategy addresses each participant. ThermaThin R-7 reduces roof height and installation inputs. Premium TPO gives contractors a substitute when PVC supply is constrained. Henry's UltraTouch denim insulation expands reach through Home Depot, where the product was stocked in nearly half of stores nationwide. These are concrete examples of Carlisle selling workflow improvement and channel value, not only material volume.
Customer concentration remains a risk in parts of CCM. Carlisle's 10-K identifies reliance on some large customers and distributor consolidation as factors that can increase pricing pressure. The company's branded, specification-driven model creates switching friction, but channel power still matters when projects are bid and raw material costs move quickly.
Carlisle competes with Owens Corning (OC), GAF, Johns Manville, CertainTeed, Saint-Gobain, TAMKO, and RPM International (RPM) across roofing, insulation, coatings, sealants, and weatherproofing categories. TopBuild (BLD) competes more directly in installation and distribution channels than in manufacturing. Carlisle's 2025 10-K describes CCM as one of four major manufacturers in the single-ply roofing industry.
The company's strongest competitive points are category focus, commercial roofing scale, re-roofing exposure, product breadth, and operating margins. Q2 CCM adjusted EBITDA margin remained above 30% despite inflation, while CWT's margin program produced sequential improvement. Those figures give Carlisle a stronger operating profile than a generic building-materials supplier.
Competition remains active in product innovation, warranties, service, and distribution. Carlisle's planned product cadence and technical selling must therefore keep creating measurable contractor value. The company's claim of above-market growth in Q2 is encouraging, but customer pre-buying contributed a low-single-digit amount to growth, so future quarters need to separate sustainable share gains from timing effects.
The Middle East conflict directly affected Carlisle through higher oil-linked raw material costs, freight expense, and supply-chain disruption. Management lowered its full-year adjusted EBITDA margin outlook to flat year over year because those costs rose faster than pricing realization. The company still raised revenue guidance to mid-single-digit growth, creating a clear split between demand resilience and margin pressure.
Interest-rate uncertainty has delayed the timing of a new-construction recovery. Management built its revised 2026 outlook without assuming improvement in new construction. That is a conservative operating assumption, but it also means the near-term growth case depends on re-roofing, strategic initiatives, pricing, and share gains rather than a broad housing or commercial-building rebound.
Carlisle's geographic profile reduces some trade exposure. More than 90% of sales and more than 90% of raw material sourcing are tied to North America. This concentration aligns the company with its most important market, but it also ties results closely to North American construction, maintenance, energy-code activity, and freight conditions.
Net debt stood at 1.7x EBITDA with $665M of cash against $2.88B of debt, leaving Carlisle with manageable but not aggressive balance-sheet flexibility.
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Get Full Access →Q2 revenue hit a record $1.57B and adjusted EPS rose 12% to $7.03, though EBITDA margin slipped 70 basis points to 26.2% as input costs outpaced pricing.
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Get Full Access →Management lifted 2026 revenue guidance to mid-single-digit growth and still expects double-digit adjusted EPS growth, about 25% ROIC, and roughly 15% free cash flow margin.
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Get Full Access →At 13.5x forward earnings and a 0.9x PEG, Carlisle trades below its $410.38 consensus target and below the growth implied by 2027-2030 estimates.
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Get Full Access →The stock at $320.18 sits below the $385 fair value and well under the $410.38 analyst consensus target, leaving room for upside if margins recover.
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Get Full Access →Carlisle is a high-quality building-products operator with a useful mix of recurring re-roofing demand, strong CCM profitability, CWT efficiency potential, and disciplined capital allocation. Q2 2026 showed the model working under pressure: revenue reached $1.57B, adjusted EPS reached $7.03, and both segments grew despite weak new construction and higher input costs.
The next phase depends on conversion. Pricing must catch up with raw material and freight inflation, CWT must sustain its margin recovery, and new products such as ThermaThin R-7 must become meaningful contributors. The balance sheet can support that strategy at 1.7x net debt to EBITDA, but the 2025 increase in debt-to-equity and the larger buyback target make capital discipline important.
For a medium-term investor, CSL offers a favorable combination of earnings quality and valuation support at $320.18. The recommended posture is Buy, with $385.00 as the single fair value anchor and $300.00 as the more attractive accumulation level. Carlisle has already built the machine; the investment question is how efficiently pricing, innovation, and capital allocation keep it running.
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Carlisle Companies is executing well in a weak construction backdrop, with reroofing demand, productivity gains, and margin expansion supporting the case. Valuation is not cheap, but the business quality and free cash flow profile still justify a Buy.
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