Westlake expects a thinner housing margin, even if sales grow

Westlake expects its Housing and Infrastructure Products division to generate a roughly 13% EBITDA margin in the fourth quarter on sales of $900 million to $1 billion. That outlook points to less profit from each sales dollar than in the comparable seasonal quarter last year.

Research by Ticker Byline shows that the division reported a 16% EBITDA margin excluding identified items in the fourth quarter of 2025, on $901 million of sales. The new sales range brackets that result, while the margin forecast is lower. The division now includes ACI, acquired in January 2026, and a rolled-steel roofing-panel business acquired on October 1. Those additions change the business mix from the earlier period.

EBITDA measures earnings before interest, taxes, depreciation and amortization. Westlake also reports figures excluding identified costs, including facility-shutdown charges.

The November results quantify pressure flagged in September

Group EBITDA excluding identified items fell to $408 million from $679 million in the second quarter. Westlake had already warned in September of a sequential decline, citing weaker chemicals pricing, European energy and import pressure, and freight and housing conditions.

The year-over-year picture improved. The same earnings measure rose from $313 million in the third quarter of 2025. Westlake reported $6 million of net income attributable to shareholders, or $58 million excluding identified items.

Higher diesel and freight costs hurt the housing-products margin in the third quarter. Management also cited weaker residential construction and customers reducing inventories. Pricing in the separate chemicals business showed improvement as the fourth quarter began.

Cash provides a stronger counterpoint

Quarterly operating cash flow was $408 million. After $188 million of capital spending, free cash flow was $220 million, compared with a $57 million outflow a year earlier. Free cash flow for the first nine months was $28 million.

The Cologne plant closure was also announced in September. The latest report records $51 million of related costs and expects an additional $150 million.

The Westlake segment margins, cash-flow and debt profile follows the seasonal housing-products comparison alongside the chemicals business and closure costs.